Words that Rhyme with barium
3 Syllable Words
merriam
4 Syllable Words
aquarium, herbarium
5 Syllable Words
honorarium, planetarium
Definition of barium
n. One of the elements, belonging to the alkaline earth group; a metal having a silver-white color, and melting at a very high temperature. It is difficult to obtain the pure metal, from the facility with which it becomes oxidized in the air. Atomic weight, 137. Symbol, Ba. Its oxide called baryta.