contract=contact means to get shorter or to shrink in size.=
Contractions are don't, didn't, won't, etc...
Uterine contractions have the same name in medical terminology and lay language. The medical terminology combining form meaning uterine contractions is toco-.
Contractions
Peristalsis is the medical term meaning wave-like contractions. These are the type of contractions that move food through the digestive tract, for instance.
The eponym for those contractions is Braxton-Hicks.
The medical term for rapid but regular atrial or ventricular contractions is tachycardia.
tocodynamometer
the form to wich a word or a phrase is redused by contractions and omissions
The medical term for involuntary contractions of the eyelid is blepharospasm. This condition can cause the eyelid to twitch or close intermittently and may be temporary or chronic.
Labor - APEXLabor
contractions
contractions come after non-contractions: Aunts Aunt's