气凝胶 qìníngjiāo aerogel Origin Definitions Defs Strokes Stroke Words Sentences Sents 气 氣 qì noun gas gas; air; the state of matter that is neither liquid nor solid凝胶 凝膠 níngjiāo noun gel A semi-solid substance formed by a network of long-chain molecules trapped in a liquid medium; jelly-like material with properties between a solid and a liquid