Word Meanings - THECA - Book Publishers vocabulary database

1. A sheath; a case; as, the theca, or cell, of an anther; the theca, or spore case, of a fungus; the theca of the spinal cord. The chitinous cup which protects the hydranths of certain hydroids. The more or less cuplike calicle of a coral. The

Additional info about word: THECA

1. A sheath; a case; as, the theca, or cell, of an anther; the theca, or spore case, of a fungus; the theca of the spinal cord. The chitinous cup which protects the hydranths of certain hydroids. The more or less cuplike calicle of a coral. The wall forming a calicle of a coral.

Related words: (words related to THECA)

• CORALLIGENOUS
  producing coral; coraligerous; coralliferous. Humble.
• CORALLUM
  The coral or skeleton of a zoöphyte, whether calcareous of horny, simple or compound. See Coral.
• CORAL-RAG
  See CORALLIAN
• ANTHERIDIUM
  The male reproductive apparatus in the lower, consisting of a cell or other cavity in which spermatozoids are produced; -- called also spermary. -- An`ther*id"i*al, a.
• ANTHERIFEROUS
  Producing anthers, as plants. Supporting anthers, as a part of a flower. Gray.
• ANTHEROID
  Resembling an anther.
• CORALLIAN
  A deposit of coralliferous limestone forming a portion of the middle division of the oölite; -- called also coral-rag.
• SHEATHLESS
  Without a sheath or case for covering; unsheathed.
• THECAL
  Of or pertaining to a theca; as, a thecal abscess.
• CORALLIGENA
  See ANTHOZOA
• WHICHEVER; WHICHSOEVER
  Whether one or another; whether one or the other; which; that one which; as, whichever road you take, it will lead you to town.
• ANTHER
  That part of the stamen containing the pollen, or fertilizing dust, which, when mature, is emitted for the impregnation of the ovary. -- An"ther*al, a. (more info) flowers, fr. Gr.
• SHEATHED
  Invested by a sheath, or cylindrical membranaceous tube, which is the base of the leaf, as the stalk or culm in grasses; vaginate. (more info) 1. Povided with, or inclosed in, sheath.
• CALICLE
  One of the small cuplike cavities, often with elevated borders, covering the surface of most corals. Each is formed by a polyp. One of the cuplike structures inclosing the zooids of certain hydroids. See Campanularian.
• ANTHERIFORM
  Shaped like an anther; anther-shaped.
• CERTAINTY
  Clearness; freedom from ambiguity; lucidity. Of a certainty, certainly. (more info) 1. The quality, state, or condition, of being certain. The certainty of punishment is the truest security against crimes. Fisher Ames. 2. A fact or truth
• WHICH
  the root of hwa who + lic body; hence properly, of what sort or kind; akin to OS. hwilik which, OFries. hwelik, D. welk, G. welch, OHG. welih, hwelih, Icel. hvilikr, Dan. & Sw. hvilken, Goth. hwileiks, 1. Of what sort or kind; what; what a; who.
• THECASPOROUS
  Having the spores in thecæ, or cases.
• CORALLINITE
  A fossil coralline.
• CORALLIGEROUS
  Producing coral; coraliferous.
• PANTHER
  A large dark-colored variety of the leopard, by some zoölogists considered a distinct species. It is marked with large ringlike spots, the centers of which are darker than the color of the body.
• ANANTHEROUS
  Destitute of anthers. Gray.
• UNSHEATHE
  To deprive of a sheath; to draw from the sheath or scabbard, as a sword. To unsheathe the sword, to make war.
• PHAEOSPORE
  A brownish zoöspore, characteristic of an order of dark green or olive-colored algæ. -- Phæ`o*spor"ic, a.
• ASCERTAINMENT
  The act of ascertaining; a reducing to certainty; a finding out by investigation; discovery. The positive ascertainment of its limits. Burke.
• EPISPORE
  The thickish outer coat of certain spores.
• ASCERTAINABLE
  That may be ascertained. -- As`cer*tain"a*ble*ness, n. -- As`cer*tain"a*bly, adv.
• RHAMPHOTHECA
  The horny covering of the bill of birds.
• TETRACORALLA
  See RUGOSA
• HYPOTHECATOR
  One who hypothecates or pledges anything as security for the repayment of money borrowed.
• DIASPORE
  A hydrate of alumina, often occurring in white lamellar masses with brilliant pearly luster; -- so named on account of its decrepitating when heated before the blowpipe.
• ATHECATA
  A division of Hydroidea in which the zooids are naked, or not inclosed in a capsule. See Tubularian.