aperture

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a device that controls amount of light admitted (Freq. 1)
• Hypernyms:
regulator
• Part Holonyms:
camera, photographic camera, telescope, scope
2. a natural opening in something
• Hypernyms:
hole
• Hyponyms:
pupil, micropyle, stoma, stomate, pore
• Part Holonyms:
eye, oculus, optic
3. an man-made opening;
usually small
• Hypernyms:
opening
• Hyponyms:
mouthpiece, embouchure