释义 |
-ad I. \ˌad, ˌaa(ə)d, _əd\ noun suffix (-s) Etymology: Middle French & Latin; Middle French -ade, from Latin -ad-, -as, from Greek -ad-, -as, feminine suffix denoting descent from or connection with 1. a. : period of time < quinquenniad > b. : group, aggregate, or unit of (so many) parts < quintad > c. : element, atom, or radical having (such or so great) a chemical valence < artiad > < perissad > < dyad > 2. : epic of : poem celebrating < Columbiad > 3. [probably from New Latin -ad-, -as (used as final element in botanical genus names), from Greek] : member of (such) a botanical group < magnoliad > < moringad > 4. : kind of plant or animal produced by or associated with < ecad > < variad > • -ad·ic \|adik, -ēk\ adjective suffix II. adverb suffix Etymology: Latin ad biology : in the direction of : toward : -ward < cephalad > < ventrad > |