what is a rotameter
Medical Dictionary. rotameter. play play. noun roÂ·taÂ·meÂ·ter \ËrÅt-É-ËmÄt-Ér, rÅ-Ëtam-Ét-\. Medical Definition of rotameter. : a gauge that consists of a graduated glass tube containing a free float for measuring the flow of a liquid or gas.