English Reference

Word

spacer

Phoneticsspac·er, stress on the first syllable

US/ˈspeɪsɝ/

UK/spˈeɪsɐ/

Countable noun

Definition

n. a small piece of material used to keep two things apart. In medicine, it can also mean a person who stays in a hospital room to help others feel safe.

n. a device or material used to maintain a gap between two surfaces or objects. In a clinical context, it refers to a patient who remains in a hospital room to provide a sense of security to others.

Examples

“The doctor used a small spacer to keep the two metal plates apart.”

“The hospital introduced a policy where a spacer would stay in the room to help patients feel less isolated during the night.”

“While the primary function of the mechanical spacer is to prevent structural contact, its psychological role in clinical settings is equally significant for patient well-being.”

Examples

simple

“The doctor used a small spacer to keep the two metal plates apart.”

contextual

“The hospital introduced a policy where a spacer would stay in the room to help patients feel less isolated during the night.”

complex

“While the primary function of the mechanical spacer is to prevent structural contact, its psychological role in clinical settings is equally significant for patient well-being.”

Real-World Examples

“Glasses-wearers should also be aware that the headset pushed noticeably against my thin corrective frames while I wore them inside the Frame, even with an included magnetic spacer.”
Ars Technica 14 Sept 2026

Etymology

From space + -er.

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

Domain

Medicine

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.C2 ProficiencyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.8.5–9.0TOEFL 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: 6.0114–120
Frequency
Occasional
Level
C2 · Proficiency
Updated

QR code

englishreference.com/q/spacer

English Reference