n. (pl. -ra) thing, especially insect, living for a day only.
   ♦ ephemeral,
   ♦ ephemerous, a. short- lived.
   ♦ ephemerid, n. may-fly.
   ♦ ephemeris, n. (pl. -
   ♦ rides, almanac showing daily positions of heavenly bodies.

Dictionary of difficult words. 2015.

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  • ephemeron — 1620s, from Gk. (zoon) ephemeron, neut. of ephemeros (see EPHEMERA (Cf. ephemera)). Figurative use by 1771 …   Etymology dictionary

  • ephemeron — [e fem′ər än΄, e fem′ərən; ifem′ər ən] n. pl. ephemera [i fem′ərə] or ephemerons [Gr ephēmeron, short lived insect < ephēmeros, for the day, short lived < epi , upon + hēmera, day] MAYFLY …   English World dictionary

  • Ephemeron — E*phem e*ron, n.; pl. {Ephemera}. [NL. See {Ephemera}.] (Zo[ o]l.) One of the ephemeral flies. [1913 Webster] …   The Collaborative International Dictionary of English

  • Ephemeron — For other uses, see Ephemera (disambiguation).In computer science, Finalization occurs when a garbage collector (GC) informs an application that an object is almost collectable. It is used to help an application maintain its invariants. To make… …   Wikipedia

  • ephemeron — /i fem euh ron , euhr euhn/, n., pl. ephemera / euhr euh/, ephemerons. 1. anything short lived or ephemeral. 2. ephemera, items designed to be useful or important for only a short time, esp. pamphlets, notices, tickets, etc. [1570 80; < Gk… …   Universalium

  • ephemeron — e•phem•er•on [[t]ɪˈfɛm əˌrɒn, ər ən[/t]] n. pl. er•a [[t] ər ə[/t]] er•ons anything short lived or ephemeral • Etymology: 1570–80; < Gk ephḗmeron short lived insect, n. use of neut. of ephḗmeros; see ephemeral …   From formal English to slang

  • ephemeron — noun something short lived or transitory See Also: ephemeral, ephemeric …   Wiktionary

  • ephemeron — e phem·er·on || rÉ’n n. something that passes; something that is not of interest anymore (i.e. printed information) …   English contemporary dictionary

  • ephemeron — ephem·er·on …   English syllables

  • ephemeron — /əˈfɛmərən/ (say uh femuhruhn), /i / (say ee ) noun (plural ephemera /əˈfɛmərə/ (say uh femuhruh), /i / (say ee ) or ephemerons) anything short lived or ephemeral. {Greek: a short lived insect. See ephemera} …  

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