Word · Frequency #16763
convex
/kənˈveks/
noun
凸体；凸面
A convex body or surface.
- 1.
Any convex body or surface.
任何凸体或凸面。
- 2.
A playing card made convex for use in cheating.
为作弊而制成凸形的扑克牌。
- 3.
A small convex mirror used to cheat by observing other players' cards.
用于偷看其他玩家牌的小凸面镜。
作弊用凸面牌；作弊用的小凸面镜；任何凸体或凸面。；为作弊而制成凸形的扑克牌。；用于偷看其他玩家牌的小凸面镜。
In use
The convex of the lens refracts light to a focal point.
In geometry, a convex is a surface that curves outward.
The convex on the back of the spoon can be used as a mirror.
Connections
Learner notes
Grammar Note
作可数名词，复数形式为convexes。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from AI_FALLBACK, ECDICT, WIKTIONARY.