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diastasis

[dahy-as-tuh-sis]
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noun, plural di·as·ta·ses [dahy-as-tuh-seez] /daɪˈæs təˌsiz/.
  1. Medicine/Medical. the separation of normally joined parts, as in the dislocation of bones, without fracture.
  2. Physiology. the diastolic rest period immediately preceding systole.
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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. 2018

Examples from the Web for diastasis

Historical Examples

  • 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

  • Neither of them for the rest take into account the part played by diastasis and ferments.

  • As the result of injury, the end of the bone may become detached, a variety of fracture known as diastasis.

British Dictionary definitions for diastasis

diastasis

noun plural -ses (-ˌsiːz)
  1. pathol
    1. the separation of an epiphysis from the long bone to which it is normally attached without fracture of the bone
    2. the separation of any two parts normally joined
  2. physiol the last part of the diastolic phase of the heartbeat
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Derived Formsdiastatic (ˌdaɪəˈstætɪk), adjective

Word Origin

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
diastasis in Medicine

diastasis

(dī-ăs′tə-sĭs)
n.
  1. Separation of normally joined parts, such as the separation of certain abdominal muscles during pregnancy.divarication
  2. The last stage of diastole in the heart, occurring just before contraction and during which little additional blood enters the ventricle.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.