| opaque projector | |
| —n | |
| (US), (Canadian) Also called (in Britain and some other countries): episcope an optical device that projects an enlarged image of an opaque object, such as a printed page or photographic print, onto a screen by means of reflected light | |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |