warfare with asphyxiating, poisonous, or corrosive gases, oil flames, etc.
warfare in which chemicals other than explosives are used as weapons, esp warfare using asphyxiating or nerve gases, poisons, defoliants, etc
The use of chemical agents as a weapon of war or terror. From the mustard gas used in World War I to the highly lethal neurotoxin Sarin that is potentially available for use today, chemicals are considered a weapon of mass destruction, and their use is condemned by most civilized nations.
noun, Geology. 1. any of the various weathering processes that cause exposed rock to undergo chemical decomposition, changing the chemical and mineralogical composition of the rock: Oxygen and acids are agents in chemical weathering.
combining form 1. chemical: chemicophysical
[kem-uh-loo-muh-nes-uh ns] /ˌkɛm əˌlu məˈnɛs əns/ noun 1. (in chemical reactions) the emission of light by an atom or molecule that is in an excited state. /ˌkɛmɪˌluːmɪˈnɛsəns/ noun 1. the phenomenon in which a chemical reaction leads to the emission of light without incandescence chemiluminescence (kěm’ə-l’mə-něs’əns) The emission of light by a substance as a […]