Er — synonyms, definition

1. er (Noun) N. Amer

6 synonyms
accident and emergency atomic number 68 casualty emergency emergency room erbium
2 definitions

er (Noun) — Emergency department in a hospital or clinic, staffed and equipped to provide emergency care to people requiring immediate medical treatment.

er (Noun) — A trivalent metallic element of the rare earth group; occurs with yttrium.

3 types of
hospital room metal metallic element
3 parts of
fergusonite gadolinite ytterbite

2. er (Interjection) N. Amer

1 definition

er (Interjection) — Expression of hesitation. ex. "I, er, forgot what I was going to say"