試作 しさく Meanings Noun, する verb, Transitive trial manufacture; experiment; test piece; prototype Kanji 試 test. Read as シ. 作 make. Read as サク. Common phrases 試作を重ねる 試作を行う 試作を繰り返す 試作を始める Words containing 試作 試作機 (しさくき) prototype model 試作品 (しさくひん) trial product 試作車 (しさくしゃ) experimental car And 3 more. Word lists Encyclopedia Jinuma: Japanese Dictionary · Word lists