vapour

英 [ˈveɪpə(r)]

美 [ˈveɪpər]

n. 蒸气; 潮气; 雾气

复数：vapours　现在分词：vapouring　

Collins.1 / BNC.7949

牛津词典

noun

蒸气；潮气；雾气
a mass of very small drops of liquid in the air, for example steam
1. water vapour
  水蒸气

in AM, use 美国英语用 vapor

N-VAR 水汽;蒸汽;潮气
Vapourconsists of tiny drops of water or other liquids in the air, which appear as mist.
1. ...water vapour.
  水蒸气

noun

the process of becoming a vapor
Synonym:vaporizationvaporisationvaporevaporation
a visible suspension in the air of particles of some substance
Synonym:vapor

Such particles act as nuclei for the condensation of water vapour into the droplets of which clouds are composed.
这些颗粒在水蒸气凝聚成水滴并进一步合成为云层的过程中充当核心成分。
They fill the container with pure air made by evaporating liquid nitrogen and liquid oxygen, and add water vapour and some trace gases.
他们往云室里填充了由液态氮和液态氧经气化后制成的纯净空气，并添加了水汽和一些痕量气体。
When nitric acid is poured on copper, a Brown vapour gives off.
将硝酸倒在铜上，会散发出一种棕色的蒸气。
A liquid fuel which easily evaporates and turns into vapour is called "volatile".
易于蒸发和变成气体的液体燃料叫作挥发性燃料。
Condenser: Device for reducing a gas or vapour to a liquid.
冷凝器：把气体或蒸气转变成液体的装置。
Water, vapour, cloud and snow.
水，水汽，云彩和雪。
Vapour pressure is an important product specification.
蒸气压是一个重要的产品规格。
Water is turned into vapour.
水被加热以后，就变成了水蒸汽。
Vapour can be changed into liquid by cooling.
蒸气可以通过冷却变成液体。
This intense radiation would unavoidably have freed oxygen by decomposing the water vapour and carbon dioxide in the atmosphere.
这种强烈的紫外线辐射，将不可避免地通过分解大气中的水蒸汽和二氧化碳来释放出氧气。