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caducous

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

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-do̅o̅kəs /
  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.

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

He is exceedingly well formed and graceful; his horns are not so large as those of the stag, but, like his, they are annually caducous, falling off in the winter and returning in the spring.

From The Hunters' Feast Conversations Around the Camp Fire by Reid, Mayne

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

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

Leaves alternate, compound, digitate, caducous; leaflets 5–7 with long common petiole.

From The Medicinal Plants of the Philippines by Thomas, Jerome Beers

Embryo straight.—Trees, with rounded heart-shaped simple leaves, caducous stipules, and red-purple flowers in umbel-like clusters along the branches of the last or preceding years, appearing before the leaves, acid to the taste.

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 Gray, Asa

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