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biramous

American  
[bahy-rey-muhs] / baɪˈreɪ məs /
Also biramose

adjective

Biology.
  1. consisting of or divided into two branches.

    a biramous appendage.


biramous British  
/ ˈbɪrəməs /

adjective

  1. divided into two parts, as the appendages of crustaceans

"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

Etymology

Origin of biramous

First recorded in 1875–80; bi- 1 + ramous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Illustration A shows the biramous, or two-branched leg of a crayfish.

From Textbooks • Jan. 1, 2015

This form is retained, with little alteration in some adult Copepoda, where the biramous “palp” still aids in locomotion.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

The limb-buds early become bilobed and grow out into typical biramous appendages which gradually assume the characters found in the adult.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

It is likely that the trunk-limbs were also biramous, with additional endites and exites.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

It is highly probable, however, that the biramous limb is a simplification of a more complex primitive type, to which the Phyllopod limb is a more or less close approximation.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

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