 envelope |
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| 1. | [ noun ] a flat rectangular paper container for papers | |
| Related terms: | container window_envelope | |
| 2. | [ noun ] any wrapper or covering | |
| Related terms: | wrapping | |
| 3. | [ noun ] the maximum operating capability of a system | |
| Examples: | "test pilots try to push the envelope" |
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| Related terms: | operating_capability | |
| 4. | [ noun ] a natural covering (as by a fluid) | |
| Examples: | "the spacecraft detected an envelope of gas around the comet" |
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| Related terms: | covering | |
| 5. | [ noun ] a curve that is tangent to each of a family of curves | |
| Related terms: | curve | |
| 6. | [ noun ] the bag containing the gas in a balloon | |
| Synonyms: | gasbag | |
| Related terms: | bag balloon | |
| Similar spelling: |
enveloped envelop envelopment enveloping Enfield en_bloc |
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