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.

Origin of diastasis

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

Example sentences from the Web for diastasis

British Dictionary definitions for diastasis

diastasis
/ (daɪˈæstəsɪs) /

noun plural -ses (-ˌsiːz)

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
physiol the last part of the diastolic phase of the heartbeat

Derived forms of diastasis

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

Medical definitions for diastasis

diastasis
[ dī-ăstə-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.