引力|いんりょくinryoku[1]atamadaka (head-high)

1. noun, physicsattraction (e.g. magnetic, gravitation); affinity; gravitational pull
   ニュートンは引力いんりょくの法則ほうそくを確立かくりつした。↗

   Newton established the law of gravity.
2. nounattractiveness; magnetism

• Synonym万有引力ばんゆういんりょくNeutralPhysics term for universal gravitation, as in 「万有引力の法則」; confined to physics, while 「引力」 also has figurative uses.
• Synonym重力じゅうりょくNeutralThe pull a celestial body, especially Earth, exerts on objects, as in 「無重力」; 「引力」 covers attraction between bodies generally.
• Related魅力みりょくNeutralThe quality that draws people to a person, thing, or place, as in 「魅力的な人」; 「引力」 mostly refers to physical attraction.
• Related引きひきCasualColloquial word for pulling, or for backing and patronage, as in 「上司の引き」; only loosely related to physical attraction.
• Antonym斥力せきりょくWrittenWritten physics term for the force with which objects repel each other; the direct opposite of 「引力」.

Use 「引力」 for the force with which bodies attract each other, or figurative attraction, as in 「月の引力」; use 「重力」 for Earth's gravity and 「魅力」 for charm; 「斥力」 is its opposite.

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

1. 物体ぶったいどうしが引き合ひきあう力ちから。
2. 1.のうち重力じゅうりょく、万有引力ばんゆういんりょくの便宜的べんぎてきな呼称こしょう。
3. 人ひとを惹ひきつける力ちから。