| arsenous hydride | <chemistry> A compound of arsenic and hydrogen, AsH3, a colourless and exceedingly poisonous gas, having and odour like garlic; arseniureted hydrogen. Origin: From Arsenic. Source: Websters Dictionary (01 Mar 1998) |
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| hydride | <chemistry> A compound of the binary type, in which hydrogen is united with some other element. Origin: Hydr- + ide. Source: Websters Dictionary (01 Mar 1998) |
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| hydride ion | The H- i., transferred to acceptor molecules in some biological oxidations. (05 Mar 2000) |
| arsenous | 1. Denoting a compound of arsenic with a valence of +3. 2. Arsenic (adj.). (05 Mar 2000) |
| arsenous acid | See: arsenic trioxide. (05 Mar 2000) |
| arsenous oxide | As2O3;dissolves in water to give arsenous acid, H3AsO3; used in the treatment of skin diseases and malaria, and as a tonic; also used externally as a caustic. Synonym: arsenous oxide, white arsenic. (05 Mar 2000) |