English Reference

Word

stabilizer

Phoneticssta·bi·liz·er, stress on the first syllable

/ˈsteɪbəˌɫaɪzɝ/

UK spelling · stabiliser

Definition

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.

Examples

“The camera uses a stabilizer to take clear photos.”

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

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

Examples

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.”

Real-World Examples

“Lithium, a mood stabiliser, is a common way to treat the illness.”
BBC News 19 Aug 2026
“Another ingredient made from the tree is tara gum, which has been safely used for years as a thickening agent or stabilizer in foods.”
CNN 3 Mar 2026
“There are also stabilisers, preservatives, colourants and sweeteners – all contributing, says Berry, “to this perfect storm”.”
The Guardian 29 Jun 2023

Etymology

From stabilize + -er.

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

Word family

NOUN

stabilizer(C1)

Domain

Mathematics

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Occasional
Level
C1 · Advanced
Updated

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English Reference