diaster

[ dahy-as-ter ]

/ daɪˈæs tər /

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noun Cell Biology.

the stage in mitosis at which the chromosomes, after their division and separation, are grouped near the poles of the spindle.

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Origin of diaster

First recorded in 1880–85; di-¹ + -aster²

OTHER WORDS FROM diaster

di·as·tral, adjective

Words nearby diaster

diastatic, diastem, diastema, diastematocrania, diastematomyelia, diaster, diastereoisomer, diastereomer, diastole, diastolic, diastolic murmur

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use diaster in a sentence

Chromosomes at the poles forming the Diaster, beginning splitting of the Cell-body.
The Ethics of Medical Homicide and Mutilation|Austin O'Malley

British Dictionary definitions for diaster

diaster

/ (daɪˈæstə) /

noun

cytology rare the stage in cell division at which the chromosomes are in two groups at the poles of the spindle before forming daughter nuclei

Derived forms of diaster

diastral, adjective

Word Origin for diaster

C19: from di- 1 + Greek astēr star

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

Medical definitions for diaster

diaster

[ dī-ăs′tər ]

amphiaster