沈降|ちんこうchinkou[0]heiban (flat)

Common
Definitions
  1. noun, suru verb, intransitive verbsedimentation (e.g. of red blood cells); precipitation; settling
  2. noun, suru verb, intransitive verbsubsidence (e.g. of land); sinking; submerging
Conjugation
Dictionary form沈降する(ちんこうする)
Polite (masu)沈降します(ちんこうします)
Negative (nai)沈降しない(ちんこうしない)
polite (masen)沈降しません(ちんこうしません)
classical zu / nu沈降せず・沈降せぬ(ちんこうせず・ちんこうせぬ)
Past (ta)沈降した(ちんこうした)
polite (mashita)沈降しました(ちんこうしました)
Past negative (nakatta)沈降しなかった(ちんこうしなかった)
polite (masen deshita)沈降しませんでした(ちんこうしませんでした)
Te form沈降して(ちんこうして)
Potential沈降できる(ちんこうできる)
Passive沈降される(ちんこうされる)
Causative沈降させる(ちんこうさせる)
Causative passive沈降させられる(ちんこうさせられる)
Conditional (ba)沈降すれば(ちんこうすれば)
tara沈降したら(ちんこうしたら)
Volitional沈降しよう(ちんこうしよう)
polite (mashou)沈降しましょう(ちんこうしましょう)
Imperative沈降しろ(ちんこうしろ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym沈下ちんかNeutralGround subsidence, focusing on foundations and buildings sinking, as in 「地盤沈下」; more everyday than 「沈降」.
  • Synonym沈殿ちんでんWrittenWritten register. Particles in a solution settling to the bottom and accumulating; the usual term in chemistry, not for land sinking.
  • Related沈むしずむNeutralThe everyday verb for sinking, the most common one in daily use; also covers the sun setting and feeling depressed.
  • Antonym浮上ふじょうNeutralRising to the surface; also rising in rank or standing. The opposite of the sinking expressed by 「沈降」.
  • Antonym浮揚ふようWrittenWritten register: floating up or buoying something up, also revitalizing it (e.g. the economy); the opposite of sinking 「沈降」.

Use 「沈降」 for ground sinking or particles settling, mainly in geoscience and medicine (「赤血球沈降速度」). For precipitation in solution use 「沈殿」, for ground subsidence 「沈下」; 「沈む」 is the everyday verb; 「浮上」/「浮揚」 are opposites.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 地殻ちかく変動へんどうによって地面じめんの高度こうどが下さがること。
Kanji in this word
English equivalents
See also

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