B1 formal 3K

Equilibrium

UK //ˌiːkwɪˈlɪbriəm// US //ˌikwəˈlɪbriəm// Pronunciation

Definition

A state in which opposing forces or influences are balanced.

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In simple words: A state where things are balanced or stable.

Examples

• The ecosystem maintains a delicate **equilibrium** between predator and prey.
• She found her **equilibrium** after months of practicing yoga.
• The market is struggling to reach an **equilibrium** after the recent turmoil.

Usage notes

Commonly used in scientific contexts, especially in physics and chemistry. It's less appropriate in casual conversations. In business, it can refer to a balanced market.

Grammar pattern

standalone noun

Memory hint

Think of 'equal-librium'—a library where everything is equally stored and balanced.

Collocations

• chemical equilibrium
• reach equilibrium
• state of equilibrium

Synonyms

• balance
• stability
• poise
• equity
• symmetry

Antonyms

• imbalance
• disequilibrium

Common mistakes

• Confused with 'equal'—equilibrium means balance, not just sameness.
• Incorrectly used to describe temporary situations.
• Assuming it only applies to physical states, ignoring its metaphorical uses.