English Reference
Noun

utilization

n. uncountable
C1 Advanced US /ˌjutəɫəˈzeɪʃən/ uti·liza·tion UK spelling utilization's, utilization's

n.the act of using something in an effective or practical way. You use this word when you want to sound more formal than just saying 'use'.

n.the action of making practical and effective use of something. Often implies a strategic or systematic application of resources.


SIMPLE

The company improved its utilization of solar energy.

CONTEXTUAL

The hospital manager reviewed the utilization of the new operating rooms to ensure no space was wasted.

COMPLEX

Maximizing the utilization of existing infrastructure is often more cost-effective for developing cities than embarking on entirely new construction projects.

Usage

Often paired with 'of' to specify the resource being used.

Pitfall
the utilization for the toolsthe utilization of the tools

Utilization is followed by the preposition 'of' when identifying the object being used.

Assistant Professor Yoshifumi Kondo said the work represents an important step toward more efficient and energy-saving CO 2 utilization technologies.

Phys.org· 27 Aug 2026

Its validation spans fluids such as hydrogen, carbon dioxide and ammonia, and also suggests potential applications in chemical-process modeling for the low-carbon era, including hydrogen energy, carbon capture and utilization, and clean-ammonia fuels.

Phys.org· 21 Aug 2026

From French utilisation or from utilize + -ation.

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

This entry
Level C1 · Advanced
Frequency Frequent
Updated