| 释义 |
tear gas
tear gas T0074000 (tîr)n. Any of various agents that on dispersal, usually from grenades or projectiles, irritate the eyes and cause blinding tears.tear gas (tɪə) n1. (Chemistry) any one of a number of gases or vapours that make the eyes smart and water, causing temporary blindness; usually dispersed from grenades and used in warfare and to control riots. Also called: lacrimator tear′ gas` (tɪər)
n. a gas that makes the eyes smart and water, thus producing a temporary blindness, used in warfare, to quell riots, etc. [1915–20] tear′-gas`, tear′gas`, v.t. -gassed, -gas•sing. Thesaurus| Noun | 1. |  tear gas - a gas that makes the eyes fill with tears but does not damage them; used in dispersing crowdslachrymator, lacrimator, teargaschemical weapon - chemical substances that can be delivered using munitions and dispersal devices to cause death or severe harm to people and animals and plantschlorobenzylidenemalononitrile, CS gas - a tear gas that is stronger than CN gas but wears off faster; can be deployed by grenades or cluster bombs; can cause skin burns and fatal pulmonary edemachloroacetophenone, CN gas - a tear gas that is weaker than CS gas but lasts longernitrochloromethane - gaseous form of chloropicrin used as tear gasgas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely |
Translationstear1 (tiə) noun a drop of liquid coming from the eye, as a result of emotion (especially sadness) or because something (eg smoke) has irritated it. tears of joy/laughter/rage. 眼淚 眼泪ˈtearful adjective1. inclined to cry or weep; with much crying or weeping. She was very tearful; a tearful farewell. 流淚的 流泪的2. covered with tears. tearful faces. 眼淚汪汪的 眼泪汪汪的ˈtearfully adverb 悲傷地 悲伤地ˈtearfulness noun 淚汪汪 泪汪汪tear gas a kind of gas causing blinding tears, used against eg rioters. 催淚毒氣 催泪毒气ˈtear-stained adjective marked with tears. a tear-stained face. 淚水沾濕的 泪水沾湿的in tears crying or weeping. She was in tears over the broken doll. 含著淚，流著淚 含着泪，流着泪 tear gas
tear gas, gas that causes temporary blindness through the excessive flow of tears resulting from irritation of the eyes. The gas is used in chemical warfarechemical warfare,
employment in war of incendiaries, poison gases, and other chemical substances. Ancient armies attacking or defending fortified cities threw burning oil and fireballs. A primitive type of flamethrower was employed as early as the 5th cent. B.C.
..... Click the link for more information. and as a means for dispersing mobs. Compounds that cause lacrimation (watering of the eyes) include bromoacetone, benzyl bromide, chloroacetophenone, ethyl iodoacetate, chloropicrin bromobenzyl cyanide, and bromine-substituted xylenes. In warfare a lacrimating compound in liquid form is placed in bombs, shells, or grenades; when the device explodes, the liquid is dispersed as an aerosol.tear gas[′tir ‚gas] (materials) A substance (usually liquid) which, when atomized and of a certain concentration, causes temporary but intense eye irritation and a blinding flow of tears; chloroacetophenone is a common tear gas. Also known as lacrimator. tear gas any one of a number of gases or vapours that make the eyes smart and water, causing temporary blindness; usually dispersed from grenades and used in warfare and to control riots tear gas
gas [gas] any elastic aeriform fluid in which the molecules are widely separated from each other and so have free paths.alveolar gas the gas in the alveoli of the lungs, where exchange" >gas exchange with the capillary blood takes place.blood g's the partial pressures of oxygen and carbon dioxide in blood; see blood gas analysis.laughing gas nitrous oxide.gas pains pains caused by distention of the stomach or intestines by accumulation of air or other gases. The presence of gas is indicated by distention of the abdomen, belching, or discharge of gas through the rectum. Gas-forming foods include highly flavored vegetables such as onions, cabbage, and turnips; members of the bean family; and fruits such as melons and raw apples. Some seasonings and other chemical irritants also produce gas.tear gas any of various irritant vapors dispensed by aerosol and causing pain and severe lacrimation in humans; some also cause irritation of exposed mucous membranes as well as vomiting. Common ones include chloroacetophenone (CN), o-chlorobenzylidenemalononitrile (see CS), and dibenz(b,f)-1,4-oxazepine (see cr); the most common of the three is CS (also known as mace).tear gasa gas (for example, acetone, benzene bromide, xylol) that causes irritation of the conjunctiva and profuse lacrimation.
See also: lacrimator. tear gas (tēr gas) A common but erroneous term for compounds (e.g., acetone, benzene bromide, and xylol) that irritate the conjunctiva and cause profuse lacrimation. These compounds are typically solids dispensed either as aerosols or in solution.
See also: lacrimatorLegalSeeGastear gas
Related to tear gas: pepper spraySynonyms for tear gasnoun a gas that makes the eyes fill with tears but does not damage themSynonyms- lachrymator
- lacrimator
- teargas
Related Words- chemical weapon
- chlorobenzylidenemalononitrile
- CS gas
- chloroacetophenone
- CN gas
- nitrochloromethane
- gas
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