| elater | An elongated, spirally thickened, water-attracting cell in the capsule of a liverwort, derived from sporogenous tissue and assisting in spore dispersal. (09 Oct 1997) |
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| elaterite | <chemical> A mineral resin, of a blackish brown colour, occurring in soft, flexible masses. Synonym: mineral caoutchouc, and elastic bitumen. Source: Websters Dictionary (01 Mar 1998) |
| elation | The feeling or expression of excitement or gaiety; if prolonged and inappropriate, a characteristic of mania. Origin: L. Elatio, fr. Ef-fero, pp. E-latus, to lift up (05 Mar 2000) |
| elatrometer | <physics> An instrument for measuring the degree of rarefaction of air contained in the receiver of an air pump. [Spelt also elaterometer. Origin: Gr. A driver. Source: Websters Dictionary (01 Mar 1998) |
| Elaut's triangle | Triangle formed by the iliac arteries and the promontory of the sacrum. (05 Mar 2000) |
| Elaut, Leon | <person> 20th century Belgian pathologist. See: Elaut's triangle. (05 Mar 2000) |
| elayl | <chemistry> Olefiant gas or ethylene; so called by Berzelius from its forming an oil combining with chlorine. Alternative forms: elayle] See Ethylene. Origin: Gr. Olive oil, oil + yl. Source: Websters Dictionary (01 Mar 1998) |