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cloud
has definitions from the fields of meteorology,biology,zoology
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[ noun ] any collection of particles (e.g., smoke or dust) or gases that is visible
Used in print (LeRoy Fothergill, "Biological Warfare", in Peter...)An important operational procedure in BW for an enemy would be to create an aerosol or cloud of agent over the target_area . Neutral or inversion meteorological_conditions are necessary for a cloud to travel_along the surface . Something of the behavior of clouds of small particles can be illustrated by the following field_trials : A satisfactory cloud was produced even_though these nozzles were only about 5 per_cent efficient in producing an initial cloud in the size range of 1 to 5 microns . A satisfactory cloud was produced even_though these nozzles were only about 5 per_cent efficient in producing an initial cloud in the size range of 1 to 5 microns . Related terms physical_phenomenon aerosol dust_cloud cosmic_dust coma mushroom nebula |
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[ noun ] (meteorology) a visible mass of water or ice particles suspended at a considerable altitude
Used in print (Donald J. Plantz, Sweeney Squadron....)Early in November the clouds lifted enough to carry_out the assigned missions . Greg 's mission was the last to leave , and as he circled the ships off Tacloban he saw the clouds were dropping_down again . To the west , the dark green hills of Leyte were lost in the clouds about halfway up their slopes . The low clouds made bombing difficult . His maneuvering for the shot had placed him near the overcast , almost inverted and heading_up into the clouds . |
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[ verb ] billow up in the form of a cloud
Examples : "The smoke clouded above the houses" Related terms |
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[ verb ] (meteorology) make overcast or cloudy
Synonyms Examples "Fall weather often overcasts our beaches." Used in print (Octavia Waldo, A Cup of the Sun....)Even_though the boy could not see them , he knew they were clouded by distance . Related terms clear_up darken fog_up haze overcloud overcloud cloudiness cloudiness |
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[ verb ] make less visible or unclear
Examples "The stars are obscured by the clouds" Related terms |
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[ verb ] make gloomy or depressed
Examples "Their faces were clouded with sadness" Related terms |
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[ verb ] make milky or dull
Examples "The chemical clouded the liquid to which it was added" Related terms |
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[ noun ] (biology,zoology) a group of many insects
Synonyms Examples "a swarm of insects obscured the light" "a cloud of butterflies" Related terms |
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[ noun ] a cause of worry or gloom or trouble
Examples "the only cloud on the horizon was the possibility of dissent by the French" Related terms |
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[ noun ] Last name, frequency rank in the U.S. is 2306
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