収束(しゅうそく)

しゅうそく
noun, suru verb
convergence, settling, resolution
1. convergence (mathematical)
In mathematics, the property of approaching a limit or final value.
この級数(きゅうすう)は収束(しゅうそく)する。
This series converges.
無限(むげん)級数(きゅうすう)が収束(しゅうそく)する条件(じょうけん)を調(しら)べる。
We examine the conditions for an infinite series to converge.
発散(はっさん)と収束(しゅうそく)は対義語(たいぎご)だ。
Divergence and convergence are antonyms.
2. settling down, resolution, coming to an end
A situation or crisis gradually calming down and reaching a stable state or conclusion.
事態(じたい)の収束(しゅうそく)を待(ま)つ
to wait for the situation to settle
騒動(そうどう)はようやく(ようやく)収束(しゅうそく)に向(む)かっている。
The commotion is finally heading toward resolution.
感染症(かんせんしょう)の流行(りゅうこう)が収束(しゅうそく)するまでには時間(じかん)がかかる。
It takes time for an infectious disease outbreak to subside.

USAGE: In everyday Japanese, sense 2 (settling/resolution) is more common. The word became widely used during pandemic discussions.

NOTE ON 終息(しゅうそく): A homophone 終息(しゅうそく) means 'complete end' and is often confused with 収束(しゅうそく) (settling down). 収束(しゅうそく) implies calming but not necessarily complete resolution.

COMMON COLLOCATIONS:

  • 事態(じたい)/騒動(そうどう)が収束(しゅうそく)する (situation settles)
  • 収束(しゅうそく)に向(む)かう (to head toward resolution)
  • 収束(しゅうそく)の見通(みとお)し (outlook for resolution)

RELATED WORDS:

  • 終息(しゅうそく) (complete end - different kanji)
  • 発散(はっさん) (divergence - antonym in math)
  • 沈静化(ちんせいか) (calming down)
general
Added 2026.1.31 19:52
09000/09135_shuusoku