involucre

[ in-vuh-loo-ker ]

/ ˈɪn vəˌlu kər /

noun

Botany. a collection or rosette of bracts subtending a flower cluster, umbel, or the like.

a covering, especially a membranous one.

Origin of involucre

1570–80; <Middle French <Latin involūcruminvolucrum

OTHER WORDS FROM involucre

in·vo·lu·cral, adjective

Words nearby involucre

invocation, invoice, invoke, involucel, involucrate, involucre, involucrum, involuntary, involuntary muscle, involute, involuted

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for involucre

The flowers are borne on an erect umbel and central scape with involucre.
The New Gresham Encyclopedia. Vol. 1 Part 3|Various
The shape of the involucre probably suggested the common name Umbrella-wort.
Field Book of Western Wild Flowers|Margaret Armstrong
The upper part of the veinlets is covered with sporangia, which as they ripen push out from beneath the involucre.
Beautiful Ferns|Daniel Cady Eaton
The involucre consists of an outer spreading (or reflexed) and an inner and erect row of bracts.
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 9|Various

Capsule filling the involucre, circumscissile in the middle, the calyptra persistent at its base.
The Manual of the Botany of the Northern United States|Asa Gray

British Dictionary definitions for involucre

involucre

involucrum (ˌɪnvəˈluːkrəm)

/ (ˈɪnvəˌluːkə) /

noun plural -cres or -cra (-krə)

a ring of bracts at the base of an inflorescence in such plants as the composites

Derived forms of involucre

involucral, adjectiveinvolucrate, adjective

Word Origin for involucre

C16 (in the sense: envelope): from New Latin involucrum, from Latin: wrapper, from involvere to wrap; see involve

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for involucre

involucre

[ ĭn′-və-lōō′kər ]

A series of bracts beneath or around a flower or flower cluster. The cupule, the cuplike structure holding an oak acorn, is a modified, woody involucre.

单词	involucre
释义	involucre [ in-vuh-loo-ker ] / ˈɪn vəˌlu kər / noun Botany. a collection or rosette of bracts subtending a flower cluster, umbel, or the like. a covering, especially a membranous one. Origin of involucre 1570–80; <Middle French <Latin involūcruminvolucrum OTHER WORDS FROM involucre in·vo·lu·cral, adjective Words nearby involucre invocation, invoice, invoke, involucel, involucrate, involucre, involucrum, involuntary, involuntary muscle, involute, involuted Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for involucre The flowers are borne on an erect umbel and central scape with involucre. The New Gresham Encyclopedia. Vol. 1 Part 3\|Various The shape of the involucre probably suggested the common name Umbrella-wort. Field Book of Western Wild Flowers\|Margaret Armstrong The upper part of the veinlets is covered with sporangia, which as they ripen push out from beneath the involucre. Beautiful Ferns\|Daniel Cady Eaton The involucre consists of an outer spreading (or reflexed) and an inner and erect row of bracts. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 9\|Various Capsule filling the involucre, circumscissile in the middle, the calyptra persistent at its base. The Manual of the Botany of the Northern United States\|Asa Gray British Dictionary definitions for involucre involucre involucrum (ˌɪnvəˈluːkrəm) / (ˈɪnvəˌluːkə) / noun plural -cres or -cra (-krə) a ring of bracts at the base of an inflorescence in such plants as the composites Derived forms of involucre involucral, adjectiveinvolucrate, adjective Word Origin for involucre C16 (in the sense: envelope): from New Latin involucrum, from Latin: wrapper, from involvere to wrap; see involve Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for involucre involucre [ ĭn′-və-lōō′kər ] A series of bracts beneath or around a flower or flower cluster. The cupule, the cuplike structure holding an oak acorn, is a modified, woody involucre. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
随便看	ict ictal icteric ictero- icterogenic icterohepatitis icteroid icterus icterus gravis icterus index icterus neonatorum ictinus ictus icu icu psychosis icy icymi icy pole id ida -idae idaean idaho idahoan idaho falls