envelope vs caustic
caustic vs envelopeenvelope and caustic both are nouns.
envelope is not an adjective while caustic is an adjective.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| envelope | Yes | No | No | No |
| caustic | Yes | Yes | No | No |
As nouns,
caustic is a hyponym of
envelope; that is, caustic is a
word with a more specific, narrower meaning than
envelope:
- envelope: a curve that is tangent to each of a family of curves
- caustic: the envelope of light rays reflected or refracted by a curved surface or object
| envelope (noun) | caustic (noun) |
|---|---|
| any wrapper or covering | the envelope of light rays reflected or refracted by a curved surface or object |
| a flat (usually rectangular) container for a letter, thin package, etc. | any chemical substance that burns or destroys living tissue |
| the bag containing the gas in a balloon | |
| the maximum operating capability of a system (especially an aircraft) | |
| a natural covering (as by a fluid) | |
| a curve that is tangent to each of a family of curves |
| envelope (adjective) | caustic (adjective) |
|---|---|
| of a substance, especially a strong acid; capable of destroying or eating away by chemical action | |
| harsh or corrosive in tone |
Words related to "envelope"
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