Involucre



[in-vuh-loo-ker] /ˈɪn vəˌlu kər/

noun
1.
Botany. a collection or rosette of bracts subtending a flower cluster, umbel, or the like.
2.
a covering, especially a membranous one.
/ˈɪnvəˌluːkə/
noun (pl) -cres, -cra (-krə)
1.
a ring of bracts at the base of an inflorescence in such plants as the composites
involucre
(ĭn’-və-l’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.

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  • Involucrum

    [in-vuh-loo-kruh m] /ˌɪn vəˈlu krəm/ noun, plural involucra [in-vuh-loo-kruh] /ˌɪn vəˈlu krə/ (Show IPA) 1. . involucrum in·vo·lu·crum (ĭn’və-lōō’krəm) n. pl. in·vo·lu·cra (-krə) An enveloping sheath or membrane, such as the sheath of new bone that forms around a sequestrum.

  • Involuntarily

    [in-vol-uh n-ter-ee] /ɪnˈvɒl ənˌtɛr i/ adjective 1. not voluntary; independent of one’s will; not by one’s own choice: an involuntary listener; involuntary servitude. 2. unintentional; unconscious: an involuntary gesture. 3. Physiology. acting independently of or done or occurring without volition: involuntary muscles. /ɪnˈvɒləntərɪ; -trɪ/ adjective 1. carried out without one’s conscious wishes; not voluntary; unintentional […]



  • Involuntary

    [in-vol-uh n-ter-ee] /ɪnˈvɒl ənˌtɛr i/ adjective 1. not voluntary; independent of one’s will; not by one’s own choice: an involuntary listener; involuntary servitude. 2. unintentional; unconscious: an involuntary gesture. 3. Physiology. acting independently of or done or occurring without volition: involuntary muscles. /ɪnˈvɒləntərɪ; -trɪ/ adjective 1. carried out without one’s conscious wishes; not voluntary; unintentional […]

  • Involuntary muscle

    involuntary muscle n. Any of the smooth muscles, except for the cardiac muscle, not under control of the will.



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