Part of speech:
A person concerned with (a specified action or thing)
Quality or condition
A trivalent chemical element, one of the rare-earth elements: symbol, Er; at. no. 68
a trivalent metallic element of the rare earth group; occurs with yttrium
Find another word for er. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for er, like: -ier, yer, ar, or, erbium, emergency-room and atomic number 68.