可視(かし)

かし
noun, adjective (の)
visible; visual; within the range of sight
1. visible; visual; able to be seen
Describes something that can be seen with the eyes. Most commonly used as a prefix in compound words related to visibility and optics.
可視(かし)光線(こうせん)は人(ひと)の目(め)に見(み)える光(ひかり)だ。
Visible light is light that can be seen by the human eye.
データの可視(かし)化(か)を進(すす)める。
To promote data visualization.
可視(かし)範囲(はんい)の外(そと)にある星(ほし)は望遠鏡(ぼうえんきょう)でしか見(み)えない。
Stars outside the visible range can only be seen with a telescope.

Primarily used as a prefix in compound words rather than as a standalone adjective. Appears frequently in scientific, technical, and business contexts.

COMMON COMPOUNDS:

  • 可視(かし)光(こう)/可視(かし)光線(こうせん): visible light
  • 可視(かし)化(か): visualization (making data or processes visible)
  • 可視(かし)範囲(はんい): visible range
  • 可視(かし)領域(りょういき): visible spectrum/domain

OPPOSITE:

  • 不可視(ふかし): invisible, non-visible
  • 赤外線(せきがいせん): infrared (below visible light)
  • 紫外線(しがいせん): ultraviolet (above visible light)

FORMATION:
可(か) (possible) + 視(し) (to see) — literally "can be seen"

general
Added 2026.4.6 1:34
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