English Reference
Noun

stabilizer

n.
C1 Advanced US /ˈsteɪbəˌɫaɪzɝ/ sta·bi·liz·er UK spelling stabiliser, stabilizers Mathematics

n.a substance or tool that helps keep something steady or prevents it from moving too much. In math, it helps keep a system or value from changing too quickly.

n.a substance or device that prevents movement or provides steadiness. In a mathematical context, it refers to a function or property that maintains the stability of a system or value.


SIMPLE

The camera uses a stabilizer to take clear photos.

CONTEXTUAL

The engineer added a stabilizer to the chemical mixture to prevent it from reacting too quickly.

COMPLEX

In control theory, a feedback stabilizer is essential for maintaining the equilibrium of a dynamic system by counteracting any external disturbances or internal fluctuations.

Lithium, a mood stabiliser, is a common way to treat the illness.

BBC News· 19 Aug 2026

From stabilize + -er.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Occasional
Updated