noun, noun or participle which takes 'suru', transitive verb, intransitive verb
astringency; constriction; contraction
Medical/biological use for tissues or substances that tighten or shrink, e.g. astringent lotions or pupil constriction.
この化粧水には肌を収斂させる成分が含まれている。
This lotion contains ingredients that tighten the skin.
瞳孔が収斂する。
The pupils constrict.
noun, noun or participle which takes 'suru', transitive verb, intransitive verb
collecting; gathering; summarizing
Used for bringing together opinions, data, taxes, etc. Sense 3 (tax collection) is a specific instance of this broader meaning.
会議で出た意見を収斂して報告書にまとめた。
We collected the opinions from the meeting and compiled them into a report.
政府は新たな税の収斂方法を検討している。
The government is considering new methods of tax collection.
noun, noun or participle which takes 'suru', intransitive verb
Used in physics (light rays), mathematics (series, sequences), and biology (evolutionary convergence). Sense 4 is specifically for light; sense 5 is mathematical; sense 6 is biological.
See also: 収束
凸レンズで光を一点に収斂させる。
A convex lens converges light to a single point.
この数列は0に収斂する。
This sequence converges to 0.
異なる系統の生物が似た形質を持つことを収斂進化という。
The phenomenon where organisms of different lineages develop similar traits is called convergent evolution.