Word Meanings - TETRASPORE - Book Publishers vocabulary database

A nonsexual spore, one of a group of four regularly occurring in red seaweeds. -- Tet`ra*spor"ic, a.

Related words: (words related to TETRASPORE)

• NONSEXUAL
  Having no distinction of sex; sexless; neuter.
• OCCURRENCE
  1. A coming or happening; as, the occurence of a railway collision. Voyages detain the mind by the perpetual occurrence and expectation of something new. I. Watts. 2. Any incident or event; esp., one which happens without being designed
• GROUP
  A variously limited assemblage of animals or planta, having some resemblance, or common characteristics in form or structure. The term has different uses, and may be made to include certain species of a genus, or a whole genus, or certain genera,
• REGULARLY
  In a regular manner; in uniform order; methodically; in due order or time.
• GROUPER
  One of several species of valuable food fishes of the genus Epinephelus, of the family Serranidæ, as the red grouper, or brown snapper , and the black grouper, or warsaw , both from Florida and the Gulf of Mexico. The tripletail .
• GROUPING
  The disposal or relative arrangement of figures or objects, as in, drawing, painting, and sculpture, or in ornamental design.
• OCCURRENT
  Occurring or happening; hence, incidental; accidental.
• SPORE
  One of the minute grains in flowerless plants, which are analogous to seeds, as serving to reproduce the species. Note: Spores are produced differently in the different classes of cryptogamous plants, and as regards their nature are often so unlike
• PHAEOSPORE
  A brownish zoöspore, characteristic of an order of dark green or olive-colored algæ. -- Phæ`o*spor"ic, a.
• EPISPORE
  The thickish outer coat of certain spores.
• 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.
• SUBGROUP
  A subdivision of a group, as of animals. Darwin.
• EXOSPORE
  The extreme outer wall of a spore; the epispore.
• WENLOCK GROUP
  The middle subdivision of the Upper Silurian in Great Britain; -- so named from the typical locality in Shropshire.
• AGGROUPMENT
  Arrangement in a group or in groups; grouping.
• ACROSPORE
  A spore borne at the extremity of the cells of fructification in fungi.
• LUDLOW GROUP
  A subdivision of the British Upper Silurian lying below the Old Red Sandstone; -- so named from the Ludlow, in Western England. See the Chart of Geology.
• TELEUTOSPORE
  The thick-celled winter or resting spore of the rusts (order Uredinales), produced in late summer. See Illust. of Uredospore.
• AGROUPMENT
  See AGGROUPMENT
• SPHAEROSPORE
  One of the nonsexual spores found in red algæ; a tetraspore.
• ARTHROSPORE
  A bacterial resting cell, -- formerly considered a spore, but now known to occur even in endosporous bacteria. -- Ar`thro*spor"ic , Ar*thros"po*rous , a.
• ISOSPORE
  One of the spores produced by an isosporous organism. A zygospore.
• MACROSPORE
  One of the specially large spores of certain flowerless plants, as Selaginella, etc.
• TETRASPORE
  A nonsexual spore, one of a group of four regularly occurring in red seaweeds. -- Tet`ra*spor"ic, a.
• LARAMIE GROUP
  An extensive series of strata, principally developed in the Rocky Mountain region, as in the Laramie Mountains, and formerly supposed to be of the Tertiary age, but now generally regarded as Cretaceous, or of intermediate and transitional character.
• SWARMSPORE
  One of innumerable minute, motile, reproductive bodies, produced asexually by certain algæ and fungi; a zoöspore.
• POTSDAM GROUP
  A subdivision of the Primordial or Cambrian period in American geology; -- so named from the sandstone of Potsdam, New York. See Chart of Geology.