Crossword clues for the word: TESTTUBES The word TESTTUBES has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for TESTTUBES Showing 1 to 8 of 8 results Clue(s) Chemist's needs. Chemistry kit vessels Cylinders in a lab Glass on lab tables Holders of solutions Lab vessels Nuts out of box - they may contain chemicals Scientist's gear