収斂・収れん|しゅうれんshuuren[0]heiban (flat)
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Which spelling to use
収斂収斂 is the most common written form and consists entirely of kanji. It is the recommended choice for beginners when writing this word.
収れん収れん is a less common mixed kanji-kana variant of 収斂. Recognize it when encountered, but beginners should normally write 収斂 instead.
Definitions
- noun, suru verb, transitive verb, intransitive verbastringency; constriction; contraction
- noun, suru verb, transitive verb, intransitive verbcollecting (e.g. opinions); putting together; summarizing
- noun, suru verb, intransitive verbcollection (of taxes)
- noun, suru verb, intransitive verbconvergence (of light)
- noun, suru verb, intransitive verb, mathconvergence
- noun, suru verb, intransitive verb, biologyconvergence
Conjugation
| Dictionary form | 収斂する（しゅうれんする） |
|---|---|
| Polite (masu) | 収斂します（しゅうれんします） |
| Negative (nai) | 収斂しない（しゅうれんしない） |
| polite (masen) | 収斂しません（しゅうれんしません） |
| classical zu / nu | 収斂せず・収斂せぬ（しゅうれんせず・しゅうれんせぬ） |
| Past (ta) | 収斂した（しゅうれんした） |
| polite (mashita) | 収斂しました（しゅうれんしました） |
| Past negative (nakatta) | 収斂しなかった（しゅうれんしなかった） |
| polite (masen deshita) | 収斂しませんでした（しゅうれんしませんでした） |
| Te form | 収斂して（しゅうれんして） |
| Potential | 収斂できる（しゅうれんできる） |
| Passive | 収斂される（しゅうれんされる） |
| Causative | 収斂させる（しゅうれんさせる） |
| Causative passive | 収斂させられる（しゅうれんさせられる） |
| Conditional (ba) | 収斂すれば（しゅうれんすれば） |
| tara | 収斂したら（しゅうれんしたら） |
| Volitional | 収斂しよう（しゅうれんしよう） |
| polite (mashou) | 収斂しましょう（しゅうれんしましょう） |
| Imperative | 収斂しろ（しゅうれんしろ） |
Common forms generated by rule; see the senses for honorific or irregular usage.
Synonyms & antonyms
- Synonym収縮しゅうしゅくNeutralShrinking in volume or length, e.g. muscle contraction or 「血管収縮」; a physical change. 「収斂」 also covers gathering opinions and mathematical convergence.
- Related締め付けるしめつけるNeutralA verb: to tighten or fasten, or figuratively to control strictly. It stresses pressure applied from outside and has no sense of gathering.
- Related圧縮あっしゅくNeutralCompressing to reduce volume, or trimming data and costs; a common everyday word. It is not used for gathering opinions.
- Related収束しゅうそくNeutralSettling a situation or bringing it to a close. In mathematics it matches 「収斂」 for convergence and is the more common everyday word.
- Related圧搾あっさくNeutralPressing hard to squeeze something out, as in extracting oil or compressing air. Its range of use is narrower than 「収斂」.
- Antonym発散はっさんNeutralThe opposite of 「収斂」: emitting or releasing outward, and in mathematics divergence rather than convergence.
「収斂」 covers astringent effects (「収斂作用」, 「収斂化粧水」) and gathering opinions or mathematical convergence. Physical shrinking is 「収縮」; a settling situation is 「収束」, now standard in math. Tighten, squeeze, or compress with 「締め付ける」, 「圧搾」, 「圧縮」; 「発散」 is the opposite.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese definitions
Kanji in this word
English equivalents
