- a hole, gap, crack, slit, or other opening
- a usually circular and often variable opening in an optical instrument or device that controls the quantity of radiation entering or leaving it
单词 | aperture |
释义 | WordReference Random House Learner's Dictionary of American English © 2024 ap•er•ture /ˈæpɚtʃɚ/USA pronunciation n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024
ap•er•ture (ap′ər chər),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: aperture /ˈæpətʃə/ n
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