[每日] homologous (a) 同源的
Word of the Day (Wednesday December 10, 2008)
homologous \huh-MOL-uh-guhs; hoh-\, adjective:
Pronunciation: http://0rz.tw/e55bV
1. corresponding in position, proportion, structure, value, or
other property
2. in biology, corresponding in type of structure and in origin
but not necessarily in appearance or function
3. in chemistry, belonging to a series where successive members
differ regularly in formula, especially a series of organic
compounds differing by multiples of CH2, such as the alcohols
and aldehydes
A human hand, a bird's wing and a whale's flipper are all
homologous structures, she explains, in that each represents an
evolutionary modification of the same ancestral limb structure.
-- John Noble Wilford, But Will It Fly?" review of Taking Wing:
Archaeopteryx and the Evolution of Bird Flight, by Pat Shipman,
New York Times, 1/25/1998
Ingeniously, out of a wide scholarship, Author Heard traces the
homologous development of caps and cathedrals, mitres and mosques-
15,000 years in a book of 150 pages that scholars will find an
interesting tour-de-force, men of letters a most scholarly little
tract.
-- Clothes," review of Narcissus: An Anatomy of Clothes, by Gerald
Heard-Dutton, Time, 1/12/1925
by 1660, from Greek homologos "agreeing, of one mind," from homos
"same" + logos "relation, reasoning, computation," related to
legein "reckon, select, speak"
--
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