- a unit of weight for precious stones and pearls, equal to 3.0864 grains (200 milligrams): abbrev. C
Origin of caratFrench from Italian carato from Arabic q?r?t, pod, husk, weight of 4 grains from Classical Greek keration, little horn, carob seed, carat, diminutive of keras, horn
nounAbbr. c or car.
- A unit of weight for precious stones, equal to 200 milligrams.
- Variant of karat
Origin of caratMiddle English from Old French from Medieval Latin quarātus from Arabic qīrā&tlowdot; a measure of weight from Greek kerātion carob pod, a measure of weight (originally defined in reference to a dried carob seed) from diminutive of keras, kerāt- horn ( from the pod's shape ); see ker-1 in Indo-European roots.