1The settling or resolution of something; things coming together or returning to a normal/concluded state.
感染の拡大は一週間でようやく収束に向かった。
The spread of infection finally began to subside after a week.
長時間の議論は徐々に収束し、結論が出た。
The long discussion gradually converged and a conclusion was reached.
台風で乱れた交通網は夜までに収束した。
The traffic network disrupted by the typhoon was back to normal by night.
2The act of gathering and bundling things together (e.g., bundling harvested grain).
昔は稲を収束して干していた風景がよく見られた。
In the past you could often see scenes of rice being bundled and hung to dry.
3In mathematics, the convergence of a sequence or series toward a limit.
この級数が収束するかどうかを解析的に調べる必要がある。
It is necessary to analyze whether this series converges.
関数がある値に収束する条件を示す定理がある。
There is a theorem that states conditions under which a function converges to a value.
4The focusing or convergence of light (or waves) to a point.
凸レンズは平行光線を一点に収束させる。
A convex lens converges parallel light rays to a point.