extrorse

[ek-strawrs, ek-strawrs]

Origin of extrorse

1855–60; < Late Latin extrorsus in outward direction, equivalent to extr(a)- extra- + (v)orsus (adv.) turned
Related formsex·trorse·ly, adverb
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Examples from the Web for extrorse

Historical Examples of extrorse


British Dictionary definitions for extrorse

extrorse

extrorsal

adjective
  1. botany turned or opening outwards or away from the axisextrorse anthers

Word Origin for extrorse

C19: from Late Latin extrorsus in an outward direction, from Latin extra- + versus turned towards
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

extrorse in Science

extrorse

[ĕkstrôrs′]
  1. Facing outward, away from the central axis around which a flower is arranged. Used of anthers and the direction in which they open to release pollen.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.