IMPERIAL

(Fr.) In Architecture, a species of dome whose profile is pointed towards the top and widens towards the base, thus forming a curve of contrary flexure. IMPERSONAL VERBS.in Grammar, are those used only in the third person; as ilitni, licet, it is lawful. It is quite clear that every verb, whether active or pa ive, must have a nece ary reference to some noun, either expre ed or understood, for its nominative; and hence the doctrine of impersonal verbs has been justly rejected by the best grammarians, both ancient and modern. See Grammar. [s. 601]