四し相そう

noun

four stages of existence (birth, aging, illness, death)

Buddhist term referring to the four unavoidable sufferings of life. Used in religious or philosophical contexts.

• 仏ぶっ教きょうでは、四し相そうは生しょう・老ろう・病びょう・死しを指さす。

  In Buddhism, the four phases refer to birth, aging, illness, and death.

noun-modifying (irregular)

four-phase; quadri-phase

Mathematical or technical term describing a system or signal with four distinct phases. Used as a prenominal modifier.

• 四し相そう変へん調ちょう方ほう式しきは通つう信しんに使つかわれる。

  Four-phase modulation is used in communications.