平衡(へいこう)

へいこう
noun
balance; equilibrium
formalsciencedescription
1. balance; equilibrium
A state of balance or stability, whether physical, chemical, or abstract. Used in scientific, medical, and general contexts.
平衡(へいこう)感覚(かんかく)を失(うしな)う。
To lose one's sense of balance.
需要(じゅよう)と供給(きょうきゅう)の平衡(へいこう)が保(たも)たれている。
The balance between supply and demand is being maintained.
化学(かがく)反応(はんのう)が平衡(へいこう)状態(じょうたい)に達(たっ)すると、正反応(せいはんのう)と逆反応(ぎゃくはんのう)の速度(そくど)が等(ひと)しくなる。
When a chemical reaction reaches equilibrium, the rates of the forward and reverse reactions become equal.

Composed of 平(へい) (flat, level) + 衡(こう) (balance, scales). More formal and technical than バランス. Frequently appears in scientific, medical, and economic writing.

Common collocations

Similar words

  • バランス — balance (loanword, more casual and widely used in everyday speech)
  • 均衡(きんこう) — balance, equilibrium (very close synonym, often used in economic/political contexts)
  • 平行(へいこう) — parallel (homophone but different meaning and kanji)
  • 並行(へいこう) — concurrent, parallel (another homophone, means doing things simultaneously)

Related Words

Homophone: 平行(へいこう)
Homophone: 並行(へいこう)
Compare: バランス (balance)
Compare: 均衡(きんこう) (balance, equilibrium)
Compare: 釣(つ)り合(あ)い (balance)
general
Added 2026.3.30 4:21 · Revised 2026.9.2 13:02
20500/20597_heikou