water vapour

Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia, Wikipedia.

water vapour

(Elements & Compounds) water in the gaseous state, esp when due to evaporation at a temperature below the boiling point. Compare steam
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.water vapour - water in a vaporous form diffused in the atmosphere but below boiling temperaturewater vapour - water in a vaporous form diffused in the atmosphere but below boiling temperature
cloud - a visible mass of water or ice particles suspended at a considerable altitude
vapor, vapour - a visible suspension in the air of particles of some substance
spray - water in small drops in the atmosphere; blown from waves or thrown up by a waterfall
بُخار الماء
loftraki, vatn í gasformi
vodná para
su buharı

water vapour

nvapore m acqueo


(ˈwoːtə) noun
a colourless, transparent liquid compound of hydrogen and oxygen, having no taste or smell, which turns to steam when boiled and to ice when frozen. She drank two glasses of water; `Are you going swimming in the sea?' `No, the water's too cold'; Each bedroom in the hotel is supplied with hot and cold running water; (also adjective) The plumber had to turn off the water supply in order to repair the pipe; transport by land and water.
1. to supply with water. He watered the plants.
2. (of the mouth) to produce saliva. His mouth watered at the sight of all the food.
3. (of the eyes) to fill with tears. The dense smoke made his eyes water.
ˈwaters noun plural
a body of water such as the sea, a river etc. the stormy waters of the bay.
ˈwatery adjective
1. like water; diluted. a watery fluid.
2. (of eyes) full of fluid eg because of illness, cold winds etc.
3. (of a colour) pale. eyes of a watery blue.
ˈwateriness noun

water boatman

a water insect with oarlike back legs that propel it through the water.
ˈwaterborne adjective
carried or transmitted by water. Typhoid is a waterborne disease.
ˈwater-closet noun
(abbreviation WC (dabljuˈsiː) ) a lavatory.
ˈwater-colour noun
a type of paint which is thinned with water instead of with oil.
ˈwatercress noun
a herb which grows in water and is often used in salads.
ˈwaterfall noun
a natural fall of water from a height such as a rock or a cliff.
ˈwaterfowl noun or noun plural
a bird or birds which live on or beside water.
ˈwaterfront noun
that part of a town etc which faces the sea or a lake. He lives on the waterfront.
ˈwaterhole noun
a spring or other place where water can be found in a desert or other dry country. The elephant drank from the waterhole.
ˈwatering-can noun
a container used when watering plants.
water level
the level of the surface of a mass of water. The water level in the reservoir is sinking/rising.
ˈwaterlilyplural ˈwaterlilies noun
a water plant with broad flat floating leaves.
ˈwaterlogged adjective
(of ground) soaked in water.
water main
a large underground pipe carrying a public water supply.
a type of melon with green skin and red flesh.
ˈwaterproof adjective
not allowing water to soak through. waterproof material.
a coat made of waterproof material. She was wearing a waterproof.
to make (material) waterproof.
ˈwatershed noun
an area of high land from which rivers flow in different directions into different basins.
ˈwater-skiing noun
the sport of skiing on water, towed by a motor-boat.
ˈwater-ski verb
ˈwatertight adjective
made in such a way that water cannot pass through.
water vapour
water in the form of a gas, produced by evaporation.
ˈwaterway noun
a channel, eg a canal or river, along which ships can sail.
ˈwaterwheel noun
a wheel moved by water to work machinery etc.
ˈwaterworks noun singular or plural
a place in which water is purified and stored before distribution to an area.
hold water
to be convincing. His explanation won't hold water.
in(to) deep water
in(to) trouble or danger. I got into deep water during that argument.
water down
to dilute. This milk has been watered down.
References in periodicals archive ?
As compressed air begins life as atmospheric air--which contains a mixture of water vapour, hydrocarbon vapour and sub-micron solid particulates--part of the post-compression process must include the removal of these substances.
Washington, July 29 ( ANI ): A new study has revealed that increased water vapour concentration in the atmosphere contributes in global warming process.
This is achieved, for example, by an electric compressor, just as the water vapour in our refrigerators is removed from the gas phase and then re-liquefied.
The key to this narrower but much higher estimate can be found in the real world observations around the role of water vapour in cloud formation.
Water vapour variability on the atmosphere plays a crucial role on its dynamic processes, being difficult to quantify.
The Hubble Telescope has discovered water vapour erupting from the surface of Europa, one of Jupiter's sixth closest moon.
Nedoluha, "Middle atmospheric water vapour radiometer (MIAWARA): Validation and first results of the LAPBIAT Upper Tropospheric Lower Stratospheric Water Vapour Validation Project (LAUTLOS-WAVVAP) campaign," Journal of Geophysical Research, Vol.
Water vapour and ozone in the stratosphere can have a large impact on earth's climate.
CONDENSATION is caused when water vapour comes into contact with cold surfaces and condenses to form dampness or water droplets.
Warm air can carry lots of moisture as water vapour, but as it comes into contact with the cold air, just above the sea surface, it starts to cool and can no longer hold as much.
Systech Illinois, a leading provider of permeation analysers and gas analysis equipment, has been chosen by General to test the barrier performance of metallised polymer films for permeation of oxygen and water vapour.
Water vapour and cloud are the major contributors to the greenhouse effect, accounting for three quarters of the absorption of outgoing infrared radiation.