aperture
English Thesaurus
1. an man-made opening; usually small (noun.artifact)
| hypernym | : | opening, |
| definition | : | a vacant or unobstructed space that is man-made (noun.artifact) |
| hyponym | : | embouchure, mouthpiece, |
| definition | : | the aperture of a wind instrument into which the player blows directly (noun.artifact) |
| hyponym | : | mouthpiece, |
| definition | : | a part that goes over or into the mouth of a person (noun.artifact) |
2. a device that controls amount of light admitted (noun.artifact)
| hypernym | : | regulator, |
| definition | : | any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc. (noun.artifact) |
| part meronym | : | camera, photographic camera, |
| definition | : | equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other) (noun.artifact) |
| part meronym | : | scope, telescope, |
| definition | : | a magnifier of images of distant objects (noun.artifact) |
3. a natural opening in something (noun.object)
| hypernym | : | hole, |
| definition | : | an opening into or through something (noun.object) |
| hyponym | : | pupil, |
| definition | : | the contractile aperture in the center of the iris of the eye; resembles a large black dot (noun.body) |
| hyponym | : | micropyle, |
| definition | : | minute opening in the wall of an ovule through which the pollen tube enters (noun.plant) |
| hyponym | : | pore, stoma, stomate, |
| definition | : | a minute epidermal pore in a leaf or stem through which gases and water vapor can pass (noun.plant) |
| part meronym | : | eye, oculus, optic, |
| definition | : | the organ of sight (noun.body) |
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