TEST TUBE Synonyms There are 6 synonyms of the phrase test tube. (exact relations) There are 6 hypernyms of the phrase test tube. (close relations)Did you mean?Definition of TEST TUBEAlso try synonyms for..testedtestertesterstestingtestableBest Alternative Words for TEST TUBETop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?More Syns..UsageType1ampoulenounn2containernounn3flasknounn4phialnounn5tubeverb, nounv, n6vialnounn Best Hypernyms For TEST TUBE Here is a list of related hypernyms for test tube, these are close relations that fall within the same topic. Most relevant words are highlighted and in order. Words (6)tube container cylinder receptacle tubing vessel Alternatives for AMPOULE Words (8)phialvialbottlebulbcontainerflaskampulampuleAll synonyms for ampoule