1. (Med.) A fever of one day's continuance only.
2. (Zoöl.) A genus of insects including the day flies, or ephemeral flies. See Ephemeral fly, under Ephemeral.
Ephemeral
(E*phem"er*al) a.
1. Beginning and ending in a day; existing only, or no longer than, a day; diurnal; as, an ephemeral flower.
2. Short-lived; existing or continuing for a short time only. "Ephemeral popularity." V. Knox.
Sentences not of ephemeral, but of eternal, efficacy.
Sir J. Stephen. Ephemeral fly (Zoöl.),
one of a group of neuropterous insects, belonging to the genus Ephemera and
many allied genera, which live in the adult or winged state only for a short time. The larvæ are aquatic; —
called also day fly and May fly.
Ephemeral
(E*phem"er*al), n. Anything lasting but a day, or a brief time; an ephemeral plant, insect, etc.
Ephemeran
(E*phem"er*an) n. (Zoöl.) One of the ephemeral flies.
Ephemeric
(E*phem"e*ric) a. Ephemeral.
Ephemeris
(E*phem"e*ris) n.; pl. Ephemerides [L., a diary, Gr. also, a calendar, fr. . See Ephemera.]
1. A diary; a journal. Johnson.
2. (Anat.) (a) 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." (b) Any tabular statement of the assigned places of
a heavenly body, as a planet or comet, on several successive days.
3. (Literature) A collective name for reviews, magazines, and all kinds of periodical literature. Brande
& C.
Ephemerist
(E*phem"er*ist) n.
1. One who studies the daily motions and positions of the planets. Howell.
2. One who keeps an ephemeris; a journalist.
Ephemeron
(||E*phem"e*ron) n.; pl. Ephemera [NL. See Ephemera.] (Zoöl.) One of the ephemeral
flies.
Ephemerous
(E*phem"er*ous) a. Ephemeral. [R.] Burke.
Ephesian
(E*phe"sian) a. [L. Ephesius: cf. F. éphésien.] Of or pertaining to Ephesus, an ancient city of
Ionia, in Asia Minor.
Ephesian
(E*phe"sian), n.
1. A native of Ephesus.
2. A jolly companion; a roisterer. [Obs.] Shak.
Ephialtes
(||Eph`i*al"tes) n. [NL., fr. Gr. lit., one who leaps upon.] The nightmare. Brande & C.
Ephippial
(E*phip"pi*al) a. Saddle- shaped; occupying an ephippium. Dana.