envelope

Pronunciation

• (UK) IPA ^(key): /ˈɛnvələʊp/, SAMPA: /"Env@l@Up/

  Audio (UK)

  (file)

• (UK) (nonstandard) IPA ^(key): /ˈɒnvələʊp/, SAMPA: /"Qnv@l@Up/

  Audio 2 (UK)

  (file)

• (US) enPR: ĕn'və-lōp, IPA ^(key): /ˈɛnvəlop/, SAMPA: /"Env@lop/

  Audio (US)

  (file)

• (US) (nonstandard) enPR: ŏn'və-lōp, IPA ^(key): /ˈɒnvəlop/, SAMPA: /"Qnv@lop/

  Audio 2 (US)

  (file)

Noun

Singular envelope

Plural envelopes

An envelope

1. An envelope is a paper cover that you put a letter in to send it.

   She put the letter into the envelope, addressed it to Charles, and put a stamp on it.

2. An envelope is a covering that goes all the way around something.

   Each virus has a special envelope of protein surrounding it.

Related words

• envelop (verb)
• SASE