/ ˈkɒnveks; NAmE ˈkɑːn-/ adjective
( of an outline or a surface ) curving out :
a convex lens / mirror
OPP concave
► con·vex·ity / kɒnˈveksəti; NAmE kɑːnˈv-/ noun [ U ]
••
WORD ORIGIN
late 16th cent.: from Latin convexus vaulted, arched.
/ ˈkɒnveks; NAmE ˈkɑːn-/ adjective
( of an outline or a surface ) curving out :
a convex lens / mirror
OPP concave
► con·vex·ity / kɒnˈveksəti; NAmE kɑːnˈv-/ noun [ U ]
••
WORD ORIGIN
late 16th cent.: from Latin convexus vaulted, arched.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005