小口徑 xiǎokǒujìng small-caliber Origin Definitions Defs Strokes Stroke Words Sentences Sents 小 xiǎo adjective small small; tiny; few; minor; in area, volume, quantity, or power, being less than average or less than the object of comparison; opposite of 大 dà口径 口徑 kǒujìng caliber the internal diameter of a circular opening, such as the bore of a gun, a pipe, or a telescope lens