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alecithal

American  
[ey-les-uh-thuhl] / eɪˈlɛs ə θəl /
Also alecithic

adjective

Embryology.
  1. having little or no yolk in the cytoplasm of the egg or ovum.


alecithal British  
/ eɪˈlɛsɪθəl /

adjective

  1. zoology (of an ovum) having little or no yolk

"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

Etymology

Origin of alecithal

1875–80; a- 6 + Greek lékith ( os ) yolk + -al 1