English Reference

Word

loader

Phoneticsload·er, stress on the first syllable

US/ˈɫoʊdɝ/

UK/lˈəʊdɐ/

Countable noun

Definition

n. a small computer program that prepares other software to run. It moves the program's data into the computer's memory so you can start using it.

n. a utility program responsible for copying an executable file from storage into main memory and preparing it for execution. Often operates as a component of the operating system's kernel.

Examples

“The game takes a few seconds for the loader to finish.”

“If the system loader cannot find the necessary library files, the application will fail to launch and display an error message.”

“Modern operating systems use a dynamic loader to link shared libraries at runtime, which helps reduce the overall memory footprint of multiple concurrent processes.”

Examples

simple

“The game takes a few seconds for the loader to finish.”

contextual

“If the system loader cannot find the necessary library files, the application will fail to launch and display an error message.”

complex

“Modern operating systems use a dynamic loader to link shared libraries at runtime, which helps reduce the overall memory footprint of multiple concurrent processes.”

Usage

In computing contexts, it refers specifically to the software component; in industrial contexts, it refers to heavy machinery or a person who loads cargo.

Real-World Examples

“A CIty of Miramichi loader fuels up at a diesel pump during a winter storm.”
Toronto Sun 18 Oct 2026
“Then they positioned a loader behind the bus and pushed it off a curve in the road.”
The New Yorker 28 Sept 2026

Etymology

From load + -er.

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

Word family

Domain

Computing

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