Serration

[se'reiʃәn]

(noun.) a single notch in a row of notches; 'one of the serrations was broken off'.

(noun.) a row of notches; 'the pliers had serrations to improve the grip'.

(noun.) the condition of being serrated; 'the serrations of a city skyline'.

整理:胡安妮塔--From WordNet

(n.) Condition of being serrate; formation in the shape of a saw.

(n.) One of the teeth in a serrate or serrulate margin.

编辑:威尔玛