Dictionary
er
interjection \ˈə, ˈä, usually with prolonged vowel, ÷ˈər\
—used when you are speaking and you are not sure what to say
Full Definition of ER
—used to express hesitation
See er defined for English-language learners
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First Known Use of ER
1862
Er
symbol
Definition of ER
erbium
ER
abbreviation
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