EPHEMERAE

EPHEMERA

ephemera

(noun) something transitory; lasting a day

EPHEMERON

ephemeron, ephemeral

(noun) anything short-lived, as an insect that lives only for a day in its winged form

Source: WordNet® 3.1

EPHEMERA

E*phem"e*ra, n. Etym: [NL., fr. Gr.

1. (Med.)

Definition: A fever of one day's continuance only.

2. (Zoöl.)

Definition: A genus of insects including the day flies, or ephemeral flies. See Ephemeral fly, under Ephemeral.

EPHEMERON

E*phem"e*ron, n.; pl. Ephemera. Etym: [NL. See Ephemera.] (Zoöl.)

Definition: One of the ephemeral flies.

Source: Webster’s Unabridged Dictionary 1913 Edition