parablast

American

[par-uh-blast] / ˈpær əˌblæst /

noun

Biology.

the nutritive yolk of a meroblastic ovum or egg.

parablast British

/ ˈpærəˌblæst /

noun

the yolk of an egg, such as a hen's egg, that undergoes meroblastic cleavage

"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

Other Word Forms

parablastic adjective

Etymology

Origin of parablast

First recorded in 1855–60; para- ¹ + -blast

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.

Parablast, par′a-blast, n. the supplementary or nutritive yolk of a meroblastic egg or metovum—as distinguished from the archiblast, or formative yolk.—adj.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023