吸気|きゅうきkyuuki[1]atamadaka (head-high)

1. nouninhalation (of air); inhaled air
2. nounintake (e.g. of air)

• Synonym吸入きゅうにゅうNeutralInhalation, especially of oxygen or medication for treatment, as in 「酸素吸入」; strongly medical in flavor.
• Related吸い込むすいこむNeutralVerb for drawing something in, also figurative (a crowd, whirlpool, darkness). Common in speech; 「吸気」 is a noun used mostly in medical and mechanical fields.
• Related吸うすうNeutralThe most common everyday verb, with the broadest range: breathing in, smoking, sucking, sipping.
• Related吸い入れるすいいれるNeutralVerb for drawing in air or liquid; less common, with the focus on pulling something in toward you.
• Antonym排気はいきNeutralAntonym: expelling gas, especially engine exhaust; the opposite of 「吸気」 as intake.
• Antonym呼気こきWrittenAntonym: air breathed out; the counterpart of 「吸気」 as inhaled air. A medical term, mostly in written prose.

Use 「吸気」 for taking in air or an engine's intake, as in 「吸気口」. As a verb, say 「吸う」 or 「吸い込む」; for medical inhalation, 「吸入」. The antonyms are 「排気」 and 「呼気」.

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

1. 気体きたいを吸い込すいこむこと。また、その気体きたい。