diastasis

[ dahy-as-tuh-sis ]

/ daɪˈæs tə sɪs /

noun, plural di·as·ta·ses [dahy-as-tuh-seez] /daɪˈæs təˌsiz/.

Medicine/Medical. the separation of normally joined parts, as in the dislocation of bones, without fracture.

Physiology. the diastolic rest period immediately preceding systole.

Nearby words

diascope, diaspora, diaspore, diastalsis, diastase, diastasis, diastasuria, diastatic, diastem, diastema, diastematocrania

Origin of diastasis

1735–45; < New Latin < Greek diástasis a separation. See dia-, stasis

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for diastasis

The pulse was preternaturally slow—great stupor—dilatation of the pupils, and diastasis of the bones of the head.
Remarks on the Subject of Lactation|Edward Morton
As the result of injury, the end of the bone may become detached, a variety of fracture known as diastasis.
Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 2|Various
Neither of them for the rest take into account the part played by diastasis and ferments.
The Industries of Animals|Frdric Houssay

British Dictionary definitions for diastasis

diastasis

/ (daɪˈæstəsɪs) /

noun plural -ses (-ˌsiːz)

pathol

the separation of an epiphysis from the long bone to which it is normally attached without fracture of the bone
the separation of any two parts normally joined

physiol the last part of the diastolic phase of the heartbeat

Derived Forms

diastatic (ˌdaɪəˈstætɪk), adjective

Word Origin for diastasis

C18: New Latin, from Greek: a separation, from diistanai to separate, from dia- + histanai to place, make stand

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

Medicine definitions for diastasis

diastasis

[ dī-ăs′tə-sĭs ]

n.

Separation of normally joined parts, such as the separation of certain abdominal muscles during pregnancy.divarication

The last stage of diastole in the heart, occurring just before contraction and during which little additional blood enters the ventricle.