Definify.com

Webster 1913 Edition

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Noun.

[L., fr. Gr. [GREEK], [GREEK], fr. [GREEK] gr[GREEK]ats, meal.]

(Med.)

(a)

An encysted tumor containing curdy matter.

(b)

A disease characterized by thickening and fatty degeneration of the inner coat of the arteries.

atheroma ‎(plural atheromas or atheromata)

(pathology) An abnormal fatty deposit which develops within the walls of arteries.

abnormal fatty deposit