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ER

abbreviation of emergency room, by 1965.

er

as a sound of hesitation or uncertainty, attested from mid-19c.

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Definitions of ER from WordNet
1
er (n.)
a room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatment;
Synonyms: emergency room
2
Er (n.)
a trivalent metallic element of the rare earth group; occurs with yttrium;
Synonyms: erbium / atomic number "
From wordnet.princeton.edu

Dictionary entries near ER

equivocal

equivocate

equivocation

equivocator

equus

ER

er

*er-

-er

era

eradicate

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