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Translate files Envelope
/ˈɛnvəˌloʊp/
Meaning & Definition
noun
A flat, usually rectangular or square paper container used for enclosing a letter or other document.
She placed the invitation in an elegant envelope before mailing it.
A protective covering or wrapper, especially for documents or packages.
The important documents were secured in a sturdy envelope to prevent damage during shipping.
The outer layer or covering of an object; often used in scientific contexts.
The spacecraft's envelope heated up during its re-entry into the Earth's atmosphere.
A geometric figure that contains all points of a set of curves, lines, or surfaces.
The envelope of the curve was determined by analyzing its limiting behavior.
verb
To enclose or cover something, especially in an envelope.
He will envelope the letter in bubble wrap before sending it.
Etymology
From French 'enveloppe', from the verb 'envelopper', meaning to wrap up or cover.
Common Phrases and Expressions
push the envelope:
To explore the limits of what is possible.
envelope filter:
A type of audio filter that varies with the amplitude of a signal.
in the envelope:
In a range of acceptable limits.
Related Words
Slang Meanings
To put something in an envelope, often suggestively.
She enveloped the note with a kiss.
To cover or surround something completely.
The fog enveloped the town, making it hard to see.