plural of sulfur cone

A male given name from Ancient Greek, medieval variant of Piers. Modern usage may also derive from the surname. / A surname originating as a patronymic.

(photography) A lens having a long focal length which produces a magnified view of distant objects.

(rare) A sweetening. / (rare) The process of edulcorating. / (chemistry) The process of removing acid or other impurities from a substance.