| Raney catalyst | Proprietary name for a finely powdered nickel catalyst made from Raney alloy by dissolving out the aluminum with alkali; used in the hydrogenation of organic substances. Synonym: Raney catalyst. (05 Mar 2000) |
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| catalyst | <chemistry> A substance that accelerates a chemical reaction, but is not consumed or changed in the process. (16 Mar 1998) |
| organic catalyst | A catalyst that is an organic molecule. See: enzyme, ribozyme. (05 Mar 2000) |
| adam | 1. The name given in the Bible to the first man, the progenitor of the human race. 2. "Original sin;" human frailty. "And whipped the offending Adam out of him." (Shak) Adam's ale, water. Adam's apple. 1. <botany> The popular name of a genus (Yucca) of liliaceous plants. Source: Websters Dictionary (01 Mar 1998) |
| adam's apple | This familiar feature in front of the neck is due to forward protrusion of the largest cartilage of the larynx. It takes its name from the story that a piece of the forbidden fruit stuck in Adam's throat. (12 Dec 1998) |
| Opalski, Adam | <person> Polish physician, 1897-1963. See: Opalski cell. (05 Mar 2000) |
| Thebesius, Adam | <person> German physician, 1686-1732. See: thebesian foramina, thebesian valve, thebesian veins. (05 Mar 2000) |
| Kelly, Adam | <person> British otolaryngologist, 1865-1941. See: Paterson-Kelly syndrome, Paterson-Brown-Kelly syndrome. (05 Mar 2000) |