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ephemeral

A Dictionary of Ecology | 2004 | | Copyright

ephemeral
1. Short-lived, or of brief duration (e.g. the life of a mayfly, Ephemeroptera).

2. (ephemerophyte) A plant that completes its life cycle very rapidly. In favourable environments ephemerals may germinate, bloom, and set seed several times during a single year. Many weed species are ephemerals. Ephemerals are also particularly characteristic of desert environments. The word is derived from the Greek ephemeros, meaning ‘lasting for only a day’.

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MICHAEL ALLABY. "ephemeral." A Dictionary of Ecology. 2004. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "ephemeral." A Dictionary of Ecology. 2004. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O14-ephemeral.html

MICHAEL ALLABY. "ephemeral." A Dictionary of Ecology. 2004. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-ephemeral.html

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ephemeral

A Dictionary of Biology | 2004 | Copyright

ephemeral
1. (in botany) An annual plant that completes its life cycle in considerably less than one growing season. A number of generations can therefore occur in one year. Many troublesome weeds, such as groundsel and willowherb, are ephemerals. Certain desert plants are also ephemerals, completing their life cycles in a short period following rain.

2. (in zoology) A short-lived animal, such as a mayfly.

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"ephemeral." A Dictionary of Biology. 2004. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O6-ephemeral.html

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ephemeral

The Concise Oxford Dictionary of English Etymology | 1996 | | Copyright

ephemeral existing only for a day or a very short time. XVI. f. Gr. ephḗmeros (whence fem. and n. in -a, -on as sbs.), f. EPI- + hēmérā day; see -AL1.
So ephemeris table showing the places of heavenly bodies for every day of a period XVI; astronomical almanac XVII. — L. — Gr. ephēmerís diary.

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T. F. HOAD. "ephemeral." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

T. F. HOAD. "ephemeral." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O27-ephemeral.html

T. F. HOAD. "ephemeral." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-ephemeral.html

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ephemeral

The Oxford Pocket Dictionary of Current English | 2009 | Copyright

e·phem·er·al / əˈfem(ə)rəl/ • adj. lasting for a very short time: fashions are ephemeral. ∎ (chiefly of plants) having a very short life cycle. DERIVATIVES: e·phem·er·al·ly adv. e·phem·er·al·ness n.

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ephemeral

A Dictionary of Plant Sciences | 1998 | | Copyright

ephemeral (ephemerophyte) A plant that completes its life cycle very rapidly. In favourable environments ephemerals may germinate, bloom, and set seed several times during a single year. Many weed species are ephemerals. Ephemerals are also particularly characteristic of desert environments.

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MICHAEL ALLABY. "ephemeral." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "ephemeral." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O7-ephemeral.html

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ephemeral

A Dictionary of Zoology | 1999 | | Copyright

ephemeral Short-lived, or of brief duration (e.g. the life of a mayfly, Ephemeroptera). The word is derived from the Greek ephemeros, ‘lasting for only a day’.

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ephemeral

Oxford Dictionary of Rhymes | 2007 | Copyright

ephemeral •apparel, barrel, carol, Carole, carrel, Carroll, Darrell, Darryl, Farrell •gambrel • spandrel •astral, plastral •cracker-barrel •Errol, feral •petrel, petrol •spectral •central, epicentral, ventral •ancestral, kestrel, orchestral •dextral • Sacheverell • mayoral •sacral • wastrel • cerebral •anhedral, cathedral, dihedral, tetrahedral •hypaethral (US hypethral), urethral •squirrel, Tyrol, Wirral •timbrel, whimbrel •minstrel • arbitral • sinistral • integral •triumviral •spiral, viral •amoral, Balmoral, coral, immoral, laurel, moral, quarrel, sorel, sorrel •cockerel, Cockerell •dotterel • rostral •aboral, aural, choral, floral, goral, oral •austral, claustral •scoundrel • cloistral • neutral • figural •augural •demurral, Durrell •mongrel • sepulchral • lustral •spheral • retiral •crural, jural, mural, neural, plural, rural •illiberal, liberal •natural • federal • peripheral •doggerel • mackerel • pickerel •bicameral, unicameral •admiral •ephemeral, femoral •humeral, numeral •general • mineral • funeral •spatio-temporal, temporal •corporal • tesseral • visceral •bilateral, collateral, equilateral, lateral, multilateral, quadrilateral, trilateral, unilateral •pastoral •electoral, pectoral, prefectoral, protectoral •clitoral, literal, littoral, presbyteral •dipteral, peripteral •doctoral • several • behavioural •conferral, deferral, referral, transferral

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