equilibrium
equilibrium Lexical Profile
equilibrium Game Scores & Validity
• noun
A state in which opposing forces, influences, or processes are evenly balanced so that one does not outweigh the other.
"The ecosystem maintained a delicate equilibrium between predators and prey for centuries."
A condition in a chemical reaction, thermodynamic system, or economic market in which competing processes occur at equal rates, resulting in no net change over time.
"When supply and demand reach equilibrium, market prices tend to stabilize."
A calm, composed, and steady state of mind, free from emotional agitation.
"Despite the sudden crisis at the office, she never lost her emotional equilibrium."
Word Nuance & Usage
Both 'equilibriums' and the Latinate 'equilibria' are standard plural forms, with 'equilibria' strongly preferred in scientific, mathematical, and economic contexts.
• Rhymes for equilibrium
• Nearby Words
Word Origin & Etymology
Borrowed in the early 17th century from Latin 'aequilibrium', from 'aequilibris' ('evenly balanced'), combining 'aequus' ('equal') and 'libra' ('balance' or 'scales').