Envelope

Definition

Envelope refers to a flat paper container, typically used for enclosing letters, documents, or other flat items. It is usually sealed with adhesive on its flap. In a broader sense, the term can also refer to any enclosing structure or cover.

Parts of Speech

• Noun

Pronunciation

American English

• IPA Pronunciation: /ˈɛn.vəˌloʊp/ or /ˈɑːn.vəˌloʊp/
• Respelling: EN-vuh-lohp or AHN-vuh-lohp

British English

• IPA Pronunciation: /ˈɛn.vəˌləʊp/
• Respelling: EN-vuh-lohp

The pronunciation of "envelope" can vary in American English, with both "EN-vuh-lohp" and "AHN-vuh-lohp" being common. In British English, "EN-vuh-lohp" is the standard pronunciation.

Etymology

The word "envelope" comes from the French word "enveloppe," which is derived from the verb "envelopper," meaning "to wrap" or "to cover." This French term traces back to the Latin "involvere," meaning "to roll up" or "to envelop."

Derivatives

• Envelop (verb)
• Envelopment (noun)
• Envelope flap (noun)
• Self-enveloping (adjective)
• Non-enveloped (adjective)

Synonyms

• Wrapper
• Cover
• Container

Antonyms

• Expose
• Uncover
• Open

Usage

The word "envelope" is most commonly used to refer to the paper container used for mailing letters and documents. It is also used in various contexts to describe something that envelops, covers, or contains something else, such as in mathematics, aerospace, and biology.

Related Terms

• Seal: A device or substance used to close an envelope securely.
• Mailing: The process of sending something, usually in an envelope, through the postal system.
• Packaging: The materials used to wrap or protect items for storage or shipping.

Detailed Definitions

Noun

• A flat paper container used for enclosing documents, letters, or other items: Refers to the common use of an envelope in correspondence.
  • Example: "She placed the invitation in an envelope and sealed it."
• Any covering or surrounding structure: Refers to something that envelops, covers, or encloses another object or space.
  • Example: "The aircraft was within its operational envelope during the flight."