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tetramerous

[te-tram-er-uh s]
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adjective
  1. consisting of or divided into four parts.
  2. Botany. (of flowers) having the parts of a whorl arranged in fours or multiples of four.

Origin of tetramerous

1820–30; < New Latin tetramerus < Greek tetramerḗs having four parts. See tetra-, -merous
Related formste·tram·er·ism, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for tetramerous

Historical Examples

  • A very minute joint at the base of the claw-joint, in most Tetramerous and Trimerous beetles.

    An Introduction to Entomology: Vol. III (of 4)

    William Kirby

  • Some Hopli swarm in the day before noon, and then disappear: most of the tetramerous beetles also appear to be diurnal.

  • Dimerous and tetramerous symmetry occur also among dicotyledons.


British Dictionary definitions for tetramerous

tetramerous

adjective
  1. (esp of animals or plants) having or consisting of four parts
  2. (of certain flowers) having parts arranged in whorls of four members
Derived Formstetramerism, noun

Word Origin

C19: from New Latin tetramerus, from Greek tetramerēs
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

tetramerous in Science

tetramerous

[tĕ-trămər-əs]
  1. Having four similar segments or parts.
  2. Having flower parts, such as petals, sepals, and stamens, in sets of four.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.