Meaning & Definition of word "Envelope"
Envelope
/ˈɛnvəˌloʊp/
noun:
- 1. A flat, usually rectangular or square paper container used for enclosing a letter or other document.
- Example: She placed the invitation in an elegant envelope before mailing it.
- 2. A protective covering or wrapper, especially for documents or packages.
- Example: The important documents were secured in a sturdy envelope to prevent damage during shipping.
- 3. The outer layer or covering of an object; often used in scientific contexts.
- Example: The spacecraft's envelope heated up during its re-entry into the Earth's atmosphere.
- 4. A geometric figure that contains all points of a set of curves, lines, or surfaces.
- Example: The envelope of the curve was determined by analyzing its limiting behavior.
verb:
- 1. To enclose or cover something, especially in an envelope.
- Example: 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
mail:
Correspondence delivered by postal service.
letter:
A written message from one person to another.
package:
A wrapped bundle or container.
Slang Meanings of envelope
Meaning: To put something in an envelope, often suggestively.
● Example Sentence: She enveloped the note with a kiss.
Meaning: To cover or surround something completely.
● Example Sentence: The fog enveloped the town, making it hard to see.