試し験けん管かん立たてMeaningsNoun1. test tube standKanji used試test験verification管pipe立standing upComposed of試し験けん管かんtest tubeNoun立たてcentral; main; leading; head; chief; just (done); counter for consecutive lossesPrefixExamples1机つくえの上うえに寝ねかせて置おくと転ころがって落おちることがあるので、試し験けん管かん立たてに立たてておく。If you leave them lying on the desk they may roll off, so stand them in the test-tube rack.