envelopes

noun

A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.

Something that envelops; a wrapping.

A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship.

(electronics) A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.

(music) The shape of a sound, which may be controlled by a synthesizer or sampler.

(networking) The information used for routing a message that is transmitted with the message but not part of its contents.

(biology) An enclosing structure or cover, such as a membrane; a space between two membranes

(engineering) The set of limitations within which a technological system can perform safely and effectively.

(astronomy) The nebulous covering of the head or nucleus of a comet; a coma.

An earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it.

(geometry) A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.

verb

Archaic form of envelop. [(transitive) To surround, enclose or enfold.]

(transitive, rare) To put (something) in an envelope.

Synonyms & related words for envelopes

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Words related to envelopes

Explore words related to envelopes — words associated with it, words that go with it, and its nearest matches in meaning. Related words include letters, postmarked, postcards, mailed, notepaper, enclose, letterhead, postmarks. Click any word to make it the center of the map and keep exploring the web of connections.