Definition of Theca in English :

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Theca meaning in English

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Theca

see synonyms of theca

Noun

1. sac, theca

a case or sheath especially a pollen sac or moss capsule

2. theca

outer sheath of the pupa of certain insects

WordNet Lexical Database for English. Princeton University. 2010.


Theca

see synonyms of theca
noun plural -cae (-siː)
1. botany
an enclosing organ, cell, or spore case, esp the capsule of a moss
2. zoology
a hard outer covering, such as the cup-shaped container of a coral polyp

Collins English Dictionary. Copyright © HarperCollins Publishers


Theca

see synonyms of theca
nounWord forms: plural ˈthecae (ˈθisi ; t hēˈsē)
1.  Botany
a spore case, sac, or capsule
2.  Zoology and Anatomy
any sheath or sac enclosing an organ or a whole organism, as the covering of an insect pupa

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Theca

see synonyms of theca
n. pl. the·cae (-sē, -kē)
A case, covering, or sheath, such as the covering of the pollen sacs of an anther or the thick cell wall of certain dinoflagellates.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.