(of an outline or a surface )外形或表面 curving out 凸出的;凸面的 a convex lens/mirror 凸透镜;凸镜 The surface is slightly convex. 表面略凸。
Extra ExamplesTopics Colours and Shapesc2A convex lens is thicker at its centre than at its edges. 凸透镜的中心比边缘厚。 A reflection in a convex mirror is smaller than the same reflection in a flat mirror. 凸面镜的反射比平面镜的反射小。
Oxford Collocations DictionaryConvex is used with these nouns:- mirror
Word Originlate 16th cent.: from Latin convexus ‘vaulted, arched’.