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Feedback between climate change and the effect of clouds on radiation
A cloud feedback is a climate change feedback where some aspects of cloud characteristics (e.g. cloud cover, composition or height) are altered due to
Cloud_feedback
Feedback related to climate change
greenhouse gas, it also influences feedbacks in the distribution of clouds and temperatures in the atmosphere. Biological feedbacks are mostly associated with
Climate_change_feedbacks
Control concept
various climate systems on Earth. One such feedback system is the interaction between solar radiation, cloud cover, and planet temperature. In many physical
Negative_feedback
Human-caused changes to climate on Earth
negative feedbacks reduce it. The main reinforcing feedbacks are the water-vapour feedback, the ice–albedo feedback, and the net cloud feedback. The primary
Climate_change
Visible mass of particles suspended in the atmosphere
"A World Without Clouds". Quanta Magazine. Bony, S. (2005). "Marine boundary layer clouds at the heart of tropical cloud feedback uncertainties in climate
Cloud
American meteorologist (born 1955)
published a paper in Geophysical Research Letters regarding negative cloud feedback in the tropics that potentially supports Richard Lindzen's Iris hypothesis
Roy_Spencer_(meteorologist)
Climatic effect causing a planet's atmosphere to trap heat and prevent cooling
well as cloud feedbacks. The effect of clouds on calculating thermal radiation limits is still in debate (specifically, whether or not water clouds present
Runaway_greenhouse_effect
Fraction of incoming sunlight reflected by clouds
in cloud albedo caused by variations in cloud properties have a significant effect on global climate, having the ability to spiral into feedback loops
Cloud_albedo
American geophysicist
Applied Sciences. His dissertation was titled A high-latitude convective cloud feedback. Abbot's doctoral advisor was Eli Tziperman [Wikidata]. From 2008 to
Dorian_Abbot
Proposed cloud-seeding technique
Marine cloud brightening (MCB), also known as marine cloud seeding or marine cloud engineering, may be a way to make stratocumulus clouds over the sea
Marine_cloud_brightening
Loop that increases an initial effect
Positive feedback (exacerbating feedback, self-reinforcing feedback) is a process that occurs in a feedback loop where the outcome of a process reinforces
Positive_feedback
Atmospheric heat retention
of particular clouds (including their type, height, and optical properties). Thin cirrus clouds can have a net warming effect. Clouds can absorb and
Greenhouse_effect
concluded that, even under gradual environmental change, eco-evolutionary feedback can create a tipping point beyond which adaptation fails, as genetic drift
2026_in_climate_change
Atmospheric phenomenon
temperatures form cloud particles. There are three types of PSC clouds—nitric acid trihydrate clouds, slowly cooling water-ice clouds, and rapid cooling
Ozone_depletion
Chemical compound
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Carbon_dioxide
Climatic and oceanographic cycle affecting Southeast Asia, Australia and Africa
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Indian_Ocean_Dipole
Climate change scenarios
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Shared_Socioeconomic_Pathways
Proposed economic stimulus program
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Green_New_Deal
effect of changes in clouds in response to global warming is to amplify human-induced warming, that is, the net cloud feedback is positive (high confidence)
Causes_of_climate_change
Impact of human life on Earth and environment
potential, recently estimated at 28 without and 34 with climate-carbon feedbacks, methane emission is currently contributing relatively little to global
Human impact on the environment
Human_impact_on_the_environment
Climate change mitigation policy
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
REDD+
Greenhouse gases emitted from human activities
on snow and ice. Indirect heating can be caused by the interaction with clouds. Black carbon stays in the atmosphere for only several days to weeks. Emissions
Greenhouse_gas_emissions
Arctic has warmed faster than most other regions due to climate change feedbacks. Surface air temperatures over land have also increased at about twice
Effects_of_climate_change
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
List of locations and entities by greenhouse gas emissions
List_of_locations_and_entities_by_greenhouse_gas_emissions
Fuel derived from biological sources
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Biofuel
Orbits where planets may have liquid surface water
PMID 23537137. Yang, J.; Cowan, N. B.; Abbot, D. S. (2013). "Stabilizing Cloud Feedback Dramatically Expands the Habitable Zone of Tidally Locked Planets".
Habitable_zone
Fraction of the sky obscured by clouds when observed from a particular location
"Luminance". International Cloud Atlas. Retrieved 2025-06-10. IPCC Third Assessment Report Chapter 7. Physical Climate Processes and Feedbacks (Atmospheric Processes
Cloud_cover
Potentially habitable Earth-sized exoplanet
Yang, Jun; Cowan, Nicolas B.; Abbot, Dorian S. (2013). "Stabilizing Cloud Feedback Dramatically Expands the Habitable Zone of Tidally Locked Planets".
Wolf_1069_b
Decrease of pH levels in the ocean
long-term increase of oceanic fossil fuel CO2 uptake due to CO2-calcification feedback". Biogeosciences. 4 (4): 481–492. Bibcode:2007BGeo....4..481R. doi:10.5194/bg-4-481-2007
Ocean_acidification
dioxide levels and thereby potentially constituting a critical positive feedback for future warming. 6 January: a study published in Nature Climate Change
2025_in_climate_change
Science and craft of managing woodlands
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Forestry
List of debates over global warming
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
List of climate change controversies
List_of_climate_change_controversies
Effect of emissions from aircraft engines
forcing is estimated at 1.3–1.4 that of CO2 alone, excluding induced cirrus cloud which remains poorly understood scientifically. In 2018, global commercial
Environmental impact of aviation
Environmental_impact_of_aviation
Genus of clouds, low-level cloud
positive feedback, where the increasing upper atmospheric moisture further warms the earth, resulting in an increasing number of cumulus congestus clouds carrying
Cumulus_cloud
Simplified, minimalistic lifestyle
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Simple_living
Positive feedback climate process
Ice–albedo feedback is a climate change feedback, in which a change in the area of ice caps, glaciers, and sea ice alters the albedo and surface temperature
Ice–albedo_feedback
American physicist (born 1941)
establish that the clouds were spherical and had a refractive index and cloud drop effective radius which eliminated all of the proposed cloud types except
James_Hansen
Weather phenomenon involving electrostatic discharge
Intra-cloud (IC) or in-cloud – Within a single thundercloud Cloud-to-cloud (CC) or inter-cloud – Between two clouds Cloud-to-ground (CG) – Between a cloud and
Lightning
Climate effect
recent work has shown that the lapse rate feedback is likely equally important to the ice-albedo feedback for Arctic amplification. Supporting this idea
Polar_amplification
International environmental treaty
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
United Nations Framework Convention on Climate Change
United_Nations_Framework_Convention_on_Climate_Change
American physicist
as yet undetected companion dwarf star, whose perturbations of the Oort cloud and subsequent effects on the flux of comets entering the inner Solar System
Richard_A._Muller
Category of cloud computing
Software as a service (SaaS /sæs/) is a cloud computing service model in which a provider delivers application software to clients while managing the
Software_as_a_service
Study of clouds and cloud formation
influence cloud properties and, consequently, the climate. Moreover, climate models show varying degrees of sensitivity to cloud feedbacks, contributing
Cloud formation and climate change
Cloud_formation_and_climate_change
Theory of cloud radiation emission
to surface temperature changes. This creates a positive feedback component of cloud feedback. The fixed anvil temperature hypothesis has also been used
Fixed anvil temperature hypothesis
Fixed_anvil_temperature_hypothesis
Non-profit organization
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
The_Climate_Reality_Project
Climatological research institute
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Berkeley_Earth
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
2019_in_climate_change
Diplomatic summit resulting in the Paris Agreement
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
2015 United Nations Climate Change Conference
2015_United_Nations_Climate_Change_Conference
International partnership to reduce methane emissions
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Global_Methane_Initiative
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Health and environmental impact of the coal industry
Health_and_environmental_impact_of_the_coal_industry
International environmental NGO
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
350.org
Atmospheric phenomenon that occurs in idealised simulations
positive feedbacks from the convection itself. Known feedbacks come from radiation, cloud entrainment, cold pools, waves or surface fluxes. These feedbacks facilitate
Convective_self-aggregation
Data visualization graphics of long-term trends of annual temperature anomalies
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Climate_spiral
Data visualization graphics depicting trends of annual temperature changes
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Warming_stripes
American atmospheric physicist
disputed this, claiming that the negative feedback from high-level clouds was still larger than the weak positive feedback estimated by Lin et al. Lindzen has
Richard_Lindzen
Greenhouse gas inventory sector
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Land use, land-use change, and forestry
Land_use,_land-use_change,_and_forestry
Stand of trees losing health and dying
achievable where, in some cases, they have the ability to induce a positive feedback process: when the basal area in an ecosystem decreases by 50%, species
Forest_dieback
Diplomatic summit concerning greenhouse gas emissions effects
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
2014 United Nations Climate Change Conference
2014_United_Nations_Climate_Change_Conference
2021 political proposal
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Red Deal: Indigenous Action to Save Our Earth
Red_Deal:_Indigenous_Action_to_Save_Our_Earth
Field of study in meteorology and climate science
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Extreme_event_attribution
Genus of atmospheric cloud
Cirrus (cloud classification symbol: Ci) is a genus of high-altitude cloud made of ice crystals. Cirrus clouds typically appear delicate and wispy with
Cirrus_cloud
American software company
company headquartered in Lehi, Utah that develops cloud-based software related to messaging, customer feedback, online reviews, selling products, and requesting
Podium_(company)
April: the first outdoor test in the U.S. of marine cloud brightening technology—designed to brighten clouds and reflect sunlight back into space—tested whether
2024_in_climate_change
Type of fuel which have no net greenhouse gas emissions
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Carbon-neutral_fuel
2009 controversy
Heffernan, Olive (12 August 2009). "Climate Feedback: McIntyre versus Jones: climate data row escalates". Climate Feedback. Nature. Archived from the original
Climatic Research Unit email controversy
Climatic_Research_Unit_email_controversy
United Nations programme supporting REDD+
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
United_Nations_REDD_Programme
Environmental policy intended to stop using coal
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Coal_phase-out
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Public opinion on climate change
Public_opinion_on_climate_change
Market-based approach used to control pollution
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Emissions_trading
Concept for social justice in climate change context
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Climate_justice
In-development multiplayer space game
trading and combat simulation video game currently under development by Cloud Imperium Games for Windows. An extended retry of unrealized plans for Freelancer
Star_Citizen
Small particles on which water vapor condenses
atmospheres, leading to increased cloud formation. As the activity of phytoplankton is temperature reliant, this negative-feedback loop can act as a form of climate
Cloud_condensation_nuclei
Planet outside of the Solar System
Yang, Jun; Cowan, Nicolas B.; Abbot, Dorian S. (2013). "Stabilizing Cloud Feedback Dramatically Expands the Habitable Zone of Tidally Locked Planets".
Exoplanet
scientific credibility. In 2006 Futerra published research to determine if feedback from the UK community on the topic of global warming was either positive
Media coverage of climate change
Media_coverage_of_climate_change
Red dwarf star in the constellation Aquarius
state of TRAPPIST-1d depends on its rotation and climatic factors like cloud feedback; it is inside of, or close to, the inner edge of the habitable zone
TRAPPIST-1
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Climate_change_and_fisheries
ISSN 0022-4928. Bony, Sandrine (2005). "Marine boundary layer clouds at the heart of tropical cloud feedback uncertainties in climate models". Geophysical Research
Cold_pool
Hypothesis regarding infrared radiation leakage
negative feedback in which an initial warming would result in an overall cooling of the surface. The idea of the iris effect of cirrus clouds in trapping
Iris_hypothesis
2015 American short film directed by Carly Usdin
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Climate Change Denial Disorder
Climate_Change_Denial_Disorder
Hypothesised negative feedback loop linking marine biota and the climate
diagram. Note that the feedback loop can operate in the reverse direction, such that a decline in solar energy leads to reduced cloud cover and thus to an
CLAW_hypothesis
Gradual reduction of the use and production of fossil fuels
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Fossil_fuel_phase-out
Grassroots climate change network
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Rising_Tide_North_America
Climate cycle that affects the surface temperature of the North Atlantic
Brown, P. T.; M. S. Lozier; R. Zhang; W. Li (2016). "The necessity of cloud feedback for a basin-scale Atlantic Multidecadal Oscillation". Geophysical Research
Atlantic multidecadal oscillation
Atlantic_multidecadal_oscillation
International climate change conference in 2009
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Copenhagen_climate_summit
American physics research center
including water vapor feedback, polar amplification of temperature change, summer mid-continental dryness and cloud feedback. The first coupled atmosphere-ocean
Geophysical Fluid Dynamics Laboratory
Geophysical_Fluid_Dynamics_Laboratory
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
2008 United Nations Climate Change Conference
2008_United_Nations_Climate_Change_Conference
Concept in climate science
system, including water vapour feedback, ice–albedo feedback, cloud feedback, and lapse rate feedback. Balancing feedbacks tend to counteract warming by
Climate_sensitivity
Climate change activists
climate change have received increasing attention in the early 21st century. Feedback from women and the issues faced by women have been described as "imperative"
Women_in_climate_change
Carbon accounting measure
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Carryover_credits
Academic field of study
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Historical_climatology
Climate Vulnerable Forum - Climatic Research Unit email controversy - Cloud feedback - Cloud reflectivity enhancement - Coal phase out - Contraction and Convergence
Index of climate change articles
Index_of_climate_change_articles
Diplomatic summit concerning greenhouse gas emissions effects; COP19
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
2013 United Nations Climate Change Conference
2013_United_Nations_Climate_Change_Conference
future will be more about the interaction between climate change and ozone feedback. Already the natural ozone variability in the stratosphere seems to be
Ozone depletion and climate change
Ozone_depletion_and_climate_change
and survey their customer base in order to obtain feedback. CDM includes a range of software or cloud computing applications designed to give large organizations
Customer_data_management
detecting ... ionizing radiation") cloud condensation nuclei (CCNs) (see under Phytoplankton role) cloud cover cloud feedback cloud forcing (see "greenhouse effect"
Index_of_meteorology_articles
Research initiative by the US government
of the National Academy of Sciences, reviewed the draft and submitted feedback. The NCADAC produced a final draft of their report and provided it to the
National_Climate_Assessment
Danish climate scientist
include climate dynamics and global circulation, climate sensitivity and cloud feedbacks and ocean-atmosphere coupled problems. He is best known for his research
Thorsten_Mauritsen
and change Cloud feedback Cloud forcing Fixed anvil temperature hypothesis Cryosphere Earth's energy budget Extreme event attribution Feedbacks Global warming
Fourth National Climate Assessment
Fourth_National_Climate_Assessment
Climate scientist
Marine, Atmospheric, and Earth Science. Her research focuses on cloud albedo feedbacks, ocean circulation patterns, and the El Niño Southern Oscillation
Amy_C._Clement
Protagonist in Final Fantasy VII
negative, and says that most of the feedback he received praised him. While recording Crisis Core, Sakurai felt that Cloud, though still introverted, acted
Cloud_Strife
CLOUD FEEDBACK
CLOUD FEEDBACK
Girl/Female
Tamil
Cloud
Surname or Lastname
English
English : nickname for a noisy person, from Middle English lude ‘loud’ (Old English hlūd), perhaps in part preserving the Old English byname Hlūda that Ekwall postulates to explain the place names Loudham (Suffolk) and Lowdham (Nottinghamshire).English : topographic name for someone who lived by a roaring stream, Old English hlūde or hl̄de literally ‘the loud one’, or a habitational name from any of the places named from hl̄de, for example Lyde in Herefordshire and Somerset.English : variant of Louth.
Boy/Male
Tamil
Cloud
Girl/Female
Tamil
Cloud
Male
English
English form of French Claude, CLAUD means "lame."
Girl/Female
Tamil
Ambudhara | à®…à®®à¯à®ªà¯à®¤à®¾à®°à®¾
Cloud
Ambudhara | à®…à®®à¯à®ªà¯à®¤à®¾à®°à®¾
Boy/Male
Tamil
Cloud
Boy/Male
Hindu, Indian, Sanskrit
Cloud; Rainy Clouds
Boy/Male
Tamil
Cloud
Boy/Male
Tamil
Cloud
Boy/Male
Welsh
Lame.
Girl/Female
Tamil
Cloud
Boy/Male
American, Australian, British, Christian, Dutch, English, French, German, Indian, Latin
Lame
Boy/Male
Tamil
Cloud
Boy/Male
Tamil
Cloud
Boy/Male
Arabic, Hindu, Indian, Muslim, Sindhi
Cloud that Carries Rain; Prophet Name; Rain Clouds
Girl/Female
Tamil
Cloud
Girl/Female
Tamil
Cloud
Girl/Female
Tamil
Cloud
Surname or Lastname
English
English : topographic name for someone who lived near an outcrop or hill, from Old English clÅ«d ‘rock’ (only later used to denote vapor formations in the sky).French : from the Germanic personal name Hlodald, composed of the elements hlÅd ‘famous’, ‘clear’ + wald ‘rule’, which was borne by a saint and bishop of the 6th century.
CLOUD FEEDBACK
CLOUD FEEDBACK
Boy/Male
Hindu, Indian, Marathi
An Illuminating Ray of Light
Girl/Female
Hindu, Indian
A Cream Coloured Flower
Girl/Female
Hindu
Ruby
Boy/Male
Tamil
Vibhavasu | விபாவாஸà¯
The Sun
Girl/Female
Arabic
Woman; Lady
Surname or Lastname
English
English : unexplained; possibly a variant of Trundle.
Boy/Male
Hindu, Indian, Marathi, Tamil
Blessings of Guru; Gift from Guru
Boy/Male
Biblical
A garden.
Girl/Female
Hindu, Indian
Goddess Durga
Boy/Male
Hindu, Indian
The Might God
CLOUD FEEDBACK
CLOUD FEEDBACK
CLOUD FEEDBACK
CLOUD FEEDBACK
CLOUD FEEDBACK
v. t.
To mark with, or darken in, veins or sports; to variegate with colors; as, to cloud yarn.
n.
A dark vein or spot on a lighter material, as in marble; hence, a blemish or defect; as, a cloud upon one's reputation; a cloud on a title.
superl.
Emphatic; impressive; urgent; as, a loud call for united effort.
v. t.
To overspread or hide with a cloud or clouds; as, the sky is clouded.
a.
Under the clouds; attended or partly covered or obscured by clouds; somewhat cloudy.
superl.
Having, making, or being a strong or great sound; noisy; striking the ear with great force; as, a loud cry; loud thunder.
n.
To cover with cloth, leather, or other material; to bandage; patch, or mend, with a clout.
v. i.
To grow cloudy; to become obscure with clouds; -- often used with up.
superl.
Ostentatious; likely to attract attention; gaudy; as, a loud style of dress; loud colors.
n.
Consisting of a cloud or clouds.
n.
A sudden copious rainfall, as the whole cloud had been precipitated at once.
n.
That which has a dark, lowering, or threatening aspect; that which temporarily overshadows, obscures, or depresses; as, a cloud of sorrow; a cloud of war; a cloud upon the intellect.
n.
A rain cloud; one of the four principal varieties of clouds. See Cloud.
n.
Cloud-gatherer; -- an epithet applied to Zeus.
a.
Having clouds resting on the top or head; reaching to the clouds; as, cloud-capped mountains.
adv.
With a loud voice, or great noise; loudly; audibly.
v. t.
To envelop in clouds; to cloud.
n.
Overcast or obscured with clouds; clouded; as, a cloudy sky.
a.
Built of, or in, the clouds; airy; unsubstantial; imaginary.
v. t.
To darken or obscure, as if by hiding or enveloping with a cloud; hence, to render gloomy or sullen.