Definitions for



Overview of noun envelope

The noun envelope has 6 senses? (first 2 from tagged texts)
1. (9) envelope

(a flat (usually rectangular) container for a letter, thin package, etc.)

2. (2) envelope

(any wrapper or covering)

3. envelope

(a curve that is tangent to each of a family of curves)

4. envelope

(a natural covering (as by a fluid); "the spacecraft detected an envelope of gas around the comet")

5. envelope

(the maximum operating capability of a system (especially an aircraft); "test pilots try to push the envelope")

6. envelope, gasbag

(the bag containing the gas in a balloon)

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