ピンホール

noun

pinhole

A very small hole, often in a thin material or used in optics.

• ピンホールカメラで写しゃ真しんを撮とるのは面おも白しろい。

  Taking photos with a pinhole camera is interesting.

noun

pinholing (printing defect)

Technical term in printing for small holes or voids in a printed layer.

• 印いん刷さつ工こう程ていでピンホールが発はっ生せいすると、品ひん質しつが落おちる。

  If pinholing occurs during the printing process, quality decreases.