zygomorphic

or zy·go·mor·phous

[zahy-guh-mawr-fik, zig-uh-]

adjective Biology.

having bilateral symmetry; divisible lengthwise into similar or symmetrical halves.

Nearby words

Origin of zygomorphic

First recorded in 1870–75; zygo- + -morphic

Related formszy·go·mor·phism, zy·go·mor·phy, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for zygomorphic

The flowers are always more or less bilaterally symmetrical (zygomorphic).
Elements of Structural and Systematic Botany|Douglas Houghton Campbell
When a flower can be divided by a single plane into two exactly similar parts; then it is said to be zygomorphic.
Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5|Various
In Pelargonium the flower is zygomorphic with a spurred posterior sepal and the petals differing in size or shape.
Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 7|Various

British Dictionary definitions for zygomorphic

zygomorphic

zygomorphous

adjective

(of a flower) capable of being cut in only one plane so that the two halves are mirror imagesSee also actinomorphic

Derived Formszygomorphism or zygomorphy, noun

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

Medicine definitions for zygomorphic

zygomorphic

[zī′gə-môr′fĭk, zĭg′ə-]

adj.

Bilaterally symmetrical. Used of organisms or parts.

Science definitions for zygomorphic

zygomorphic

[zī′gə-môr′fĭk, zĭg′ə-]

Relating to a flower that can be divided into equal halves along only one line; bilaterally symmetrical. The flowers of the iris and the snapdragon are zygomorphic. Compare actinomorphic.