| 单词 | altricial |
| 释义 | altricial[ al-trish-uhl ] / ælˈtrɪʃ əl / adjective Zoology.(of an animal species)helpless at birth or hatching and requiring parental care for a period of time (opposed to precocial.) Origin of altricial1870–75; <Latin altrīc-, stem of altrīx wet nurse, nourisher (al(ere) to nourish (cf. aliment) + -trīx-trix) + -al1 Words nearby altricialAlton Towers, Altoona, alto-relievo, altostratus, altrices, altricial, alt-right, Altrincham, alt-rock, altruism, altruist Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for altricialaltricial / (ælˈtrɪʃəl) / adjective(of the young of some species of birds after hatching) naked, blind, and dependent on the parents for food nounan altricial bird, such as a pigeon Compare precocial Word Origin for altricialC19: 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 Scientific definitions for altricialaltricial [ ăl-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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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