无霜期 wúshuāngqī frost-free period Definitions Defs Origin Strokes Stroke Words Sentences Sents 无 無 wú adjectiveverb to not have to not have; there is no; lack; (as prefix) non-; un-; -less霜期 shuāngqī frost season The period of time from the first frost in autumn to the last frost in the following spring.