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caducous

American  
[kuh-doo-kuhs, -dyoo-] / kəˈdu kəs, -ˈdju- /

adjective

  1. Botany. dropping off very early, as leaves.

  2. Zoology. subject to shedding.

  3. transitory; perishable.


caducous British  
/ kəˈdjuːkəs /

adjective

  1. biology (of parts of a plant or animal) shed during the life of the organism

"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

caducous Scientific  
/ kə-do̅o̅′kəs /
  1. Detaching or dropping off at an early stage of development. The gills of most amphibians and the sepals or stipules of certain plants are caducous.


Etymology

Origin of caducous

First recorded in 1675–85 for obsolete sense; 1805–10 for current senses; from Latin cadūcus “unsteady, perishable,” equivalent to cad(ere) “to fall” + -ūcus adjective suffix ( see -ous)


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.

See Examples For:

They invariably come laden with words that seem meant to prove his vocabulary is bigger than yours: flocculent, crapulent, caducous, anaglypta, mephitic, velutinous.

From New York Times ● Oct. 1, 2020

The first and the second glumes are unequal, persistent or separately caducous.

From A Handbook of Some South Indian Grasses by K. Rangachari

Achenes short and thick, compressed or turgid, truncate, glabrous; pappus of 2–8 caducous awns.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Asa Gray

Sepals 3–5, usually 4, concave, petal-like, very caducous.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Asa Gray

P. convex, then exp. or depr., whitish tinged fawn at disc, covered with fawn adpr. fibrillose scales; g. broad, free yellowish-white; s. whitish, base swollen, ring cottony, caducous; flesh white, brick-red then brownish when broken.

From European Fungus Flora: Agaricaceae by George Massee

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