[こうけい, koukei] (n) aperture; bore; calibre; caliber; (P) #5967
[しぼり, shibori] (n, vs) (1) tye-dye; tye-dyeing; (2) aperture (e.g. camera, iris of the eye); aperture stop; stop; (3) contraction; squeezing; choke; (P) #15163
[かいこう, kaikou] (n, vs) (1) opening; aperture (e.g. camera); (2) opening one's mouth; beginning to speak; (adj-f) (3) open; broad; (P) #15620
[apa-cha ; apa-chua] (n) aperture
[apa-chaguriru] (n) { comp } aperture grille
[apakon] (n) (abbr) aperture compensation
[apachaka-do] (n) { comp } aperture card
[ひらきぐち, hirakiguchi] (n) { comp } aperture
[かいこうすう, kaikousuu] (n) numerical aperture (in photography)
[かいこうぶ, kaikoubu] (n) aperture
[かいこうりつ, kaikouritsu] (n) aperture ratio
[かいど, kaido] (n) divergence; aperture
[くうげき, kuugeki] (n, adj-no) vacant space; aperture; gap; opening
[けつげき, ketsugeki] (n) crevice; aperture
[こうけいひ, koukeihi] (n) (See Fナンバー) aperture ratio (inverse of the f-number); relative aperture
[まどつき, madotsuki] (n, adj-f) window (e.g. in an envelope, box, etc.); aperture