concave
美音:
[kɔn´keıv
]英音:
[kɔn´keıv
]adj.凹的,凹入的 n.凹,凹面
单词图片
难易程度:
concave为短语/超纲词汇
词形变化:
名词:concaveness 副词:concavely 动词过去式:concaved 过去分词:concaved 现在分词:concaving 第三人称单数:concaves
词根
com-=together,with,wholly 变化型 co-,col-,comb-,con-,cor-,coun-
近义词, 同义词
相关词
concave
/'kɒŋkeɪv; kɑn`kev/
adj (of an outline or a surface) curved inwards like the inner surface of a sphere or ball (指轮廓或表面)凹的(如球体或球的内部). =>illus 见插图. Cf 参看 convex.
concave
adj[
Date: 1500-1600;
Language: Latin;Origin: concavus, from com- (
COM-) + cavus
'hollow']
a concave surface is curved inwards in the middle
≠
convex a concave lens