| ephemeris | Origin: L, a diary, Gr, also, a calendar, fr. See Ephemera. 1. A diary; a journal. 2. <anatomy> A publication giving the computed places of the heavenly bodies for each day of the year, with other numerical data, for the use of the astronomer and navigator; an astronomical almanac; as, the "American Ephemeris and Nautical Almanac." Any tabular statement of the assigned places of a heavenly body, as a planet or comet, on several successive days. 3. A collective name for reviews, magazines, and all kinds of periodical literature. Source: Websters Dictionary (01 Mar 1998) |
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| ephemeron | Origin: NL. See Ephemera. <zoology> One of the ephemeral flies. Source: Websters Dictionary (01 Mar 1998) |
| ephemerovirus | A genus of the family rhabdoviridae which primarily infect cattle. Ephemeral fever virus, bovine is the type species. (12 Dec 1998) |
| ephippium | 1. <anatomy> A depression in the sphenoid bone; the pituitary fossa. 2. <zoology> A saddle-shaped cavity to contain the winter eggs, situated on the back of Cladocera. Origin: L, saddle cloth, fr. Gr.; on + horse. Source: Websters Dictionary (01 Mar 1998) |
| ephraim | <zoology> A hunter's name for the grizzly bear. Origin: The proper name. Source: Websters Dictionary (01 Mar 1998) |
| ephyra | <zoology> A stage in the development of discophorous medusae, when they first begin to swim about after being detached from the strobila. See Strobila. Origin: NL, fr. Gr, an old name of Corinth. Source: Websters Dictionary (01 Mar 1998) |