線膨張係数 せんぼうちょうけいすう Meanings Noun coefficient of linear expansion Kanji 線 line. Read as セン. 膨 swell. Read as ボウ. 張 stretch. Read as チョウ. 係 connection. Read as ケイ. 数 number. Read as スウ. Word lists Physics Jinuma: Japanese Dictionary · Word lists