排出|はいしゅつhaishutsu[0]heiban (flat)

Common
Definitions
  1. noun, suru verb, transitive verbdischarge; evacuation; emission (e.g. of CO2); ejection; excretion
    The differing volumes of carbon emissions are plotted in the graph below.
Conjugation
Dictionary form排出する(はいしゅつする)
Polite (masu)排出します(はいしゅつします)
Negative (nai)排出しない(はいしゅつしない)
polite (masen)排出しません(はいしゅつしません)
classical zu / nu排出せず・排出せぬ(はいしゅつせず・はいしゅつせぬ)
Past (ta)排出した(はいしゅつした)
polite (mashita)排出しました(はいしゅつしました)
Past negative (nakatta)排出しなかった(はいしゅつしなかった)
polite (masen deshita)排出しませんでした(はいしゅつしませんでした)
Te form排出して(はいしゅつして)
Potential排出できる(はいしゅつできる)
Passive排出される(はいしゅつされる)
Causative排出させる(はいしゅつさせる)
Causative passive排出させられる(はいしゅつさせられる)
Conditional (ba)排出すれば(はいしゅつすれば)
tara排出したら(はいしゅつしたら)
Volitional排出しよう(はいしゅつしよう)
polite (mashou)排出しましょう(はいしゅつしましょう)
Imperative排出しろ(はいしゅつしろ)

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

Synonyms & antonyms
  • Synonym排泄はいせつWrittenWritten/formal and medical: the body expelling waste such as urine and faeces, as in 「排泄物」. 「排出」 is broader, covering exhaust gas and wastewater too.
  • Synonym放出ほうしゅつNeutralReleasing something held in reserve, as in 「備蓄米の放出」. 「排出」 focuses on discharging waste or exhaust.
  • Related漏出ろうしゅつWrittenWritten/formal: gas or liquid leaking out, as in 「ガスの漏出」. 「排出」 means sending unwanted material from inside to the outside.
  • Related流出りゅうしゅつNeutralOutflow or draining away, as in 「人材流出」. 「排出」 is about discharging waste and exhaust gases.
  • Related排除はいじょNeutralRemoving obstacles or shutting out unwanted elements, as in 「障害を排除」. 「排出」 is about emitting waste and exhaust.
  • Related除去じょきょNeutralGetting rid of dirt or harmful substances, as in 「汚れの除去」. 「排出」 is about discharging waste and exhaust, not cleaning.
  • Related除却じょきゃくWrittenWritten/formal and rare: exclusion or elimination. In everyday speech use 「除去」 or 「排除」.
  • Antonym吸入きゅうにゅうNeutralOpposite to 「排出」 in the inhaling–discharging pair: drawing in gas or medicine, as in 「酸素吸入」.
  • Antonym吸収きゅうしゅうNeutralOpposite to 「排出」 in the absorbing–discharging pair: taking in water, nutrients or knowledge.
  • Antonym取り入れとりいれNeutralHarvesting crops; also adopting or introducing something. Opposite to 「排出」 only in the taking-in vs letting-out direction — not a strict antonym.

Use 「排出」 for discharging waste — exhaust gas, wastewater, refuse — as in 「CO2排出量」. For the body expelling waste say 「排泄」; for releasing reserves, 「放出」; for outflows of people or money, 「流出」. 「排除」 and 「除去」 mean removing obstacles or dirt, not emitting. Main opposites: 「吸収」 and 「吸入」.

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

Japanese definitions
  1. 内部ないぶの不要ふような物ものを外そとに出だすこと。
  2. 生物せいぶつ体たいが体内たいないに生しょうじた老廃物ろうはいぶつを体外たいがいに出だすこと。
Kanji in this word
English equivalents
See also

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