diastasis

American  

[dahy-as-tuh-sis] / daɪˈæs tə sɪs /

noun

plural

diastases

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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diastasis British  

/ ˌdaɪəˈstætɪk, daɪˈæstəsɪs /

noun

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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Other Word Forms

• diastatic adjective

Etymology

Origin of diastasis

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

Example Sentences

She is still struggling with a severe case of diastasis recti, which is the separation of the abdominal muscles and affects her core strength.

From New York Times • Aug. 6, 2021

Gunderson developed a severe case of diastasis recti during her pregnancy, which left a 9-centimeter separation of her "six-pack" muscles in her stomach that was big enough for a fist to fit through.

From Fox News • Jul. 22, 2021

Gunderson developed a severe case of diastasis recti during her pregnancy, which left a 9-centimeter separation of her “six-pack” muscles in her stomach that was big enough for a fist to fit through.

From Seattle Times • Jul. 22, 2021

After having my third child I’ve been unable to lose some of the baby weight and it has settled, thanks to a serious case of diastasis, in the shape of baby bump.

From Slate • Jul. 5, 2021

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

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 2 "Bohemia" to "Borgia, Francis" by Various