1. 管径,口径：calibrator-orifice 校准孔口 | calibre 管径,口径 | calico bandage 白布绷带

2. 口径：calibration curve 校准曲线 | calibre 口径 | caliche 生硝

3. 口径,直径：calcium 钙 | calibre 口径,直径 | campaign 战役;运动

4. 测径器;规：calibre insert 保径镶齿 | calibre 测径器;规 | caliche nodule 钙质结核

noun

1. a degree or grade of excellence or worth

e.g. the quality of students has risen
an executive of low caliber

Synonym: qualitycaliber

2. diameter of a tube or gun barrel

Synonym: boregaugecaliber