(chemistry, physics) the differential absorption of left-handed and right-handed circularly polarized light

circularly polarized light

plural of circumstance

Synonym of circumflex

The act of circumscribing or the quality of being circumscribed. / Anything that circumscribes or a circumscribed area.

(geography) The line which marks approximately the northernmost place in the Southern Hemisphere where the sun does not set on the summer solstice and does not rise on the winter solstice.

(US, Canada) an intersection with a circular shape and, usually, a central island

An area in a field of crops where the stalks have been flattened into a circle or other geometric shape.

To surgically remove the foreskin (prepuce) from a penis. / (sometimes proscribed) To surgically remove the clitoris (clitoridectomy), clitoral hood, or labia.

Instrument for measuring azimuths. It is a graduated circle on a sight, gun carriage, searchlight, etc.