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altricial

[al-trish-uh l] /ælˈtrɪʃ əl/
adjective, Zoology, (of an animal species)
1.
helpless at birth or hatching and requiring parental care for a period of time (opposed to precocial)
Origin
1870-1875
1870-75; < Latin altrīc-, stem of altrīx wet nurse, nourisher (al(ere) to nourish (cf. aliment) + -trīx -trix) + -al1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for altricial
  • Nestlings are altricial and hatch asynchronously over several days.
British Dictionary definitions for altricial

altricial

/ælˈtrɪʃəl/
adjective
1.
(of the young of some species of birds after hatching) naked, blind, and dependent on the parents for food
noun
2.
an altricial bird, such as a pigeon
Compare precocial
Word Origin
C19: from New Latin altriciālis, from Latin altrix a nurse, from alere to nourish
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
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altricial in Science
altricial
  (āl-trĭsh'əl)   
Born or hatched in a helpless condition requiring prolonged parental care, as by being naked, blind, or unable to move about. Nesting birds, monotremes, marsupials, and carnivores have altricial young. Compare precocial.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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