Plural of dilatation; instances or processes of expanding, widening, or becoming enlarged.
Plural of dilatation, from Latin dilatatio (expansion). The term is used in medicine, engineering, and general science to refer to multiple instances of expansion or dilation.
In medicine, cardiologists worry about cardiac dilatations—when the heart chambers enlarge abnormally, it's a sign of weakness that can lead to heart failure, so doctors monitor them carefully.
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