English Reference
noun

enhancement

n.
US /ɛnˈhænsmənt/ UK /ɛnhˈɑːnsmənt/ en·hance·ment UK spelling enhancement's, enhancement's

  1. 01 B2 Upper Intermediate

    a change that improves the quality, value, or power of something.

    an augmentation or improvement that increases the quality, value, or effectiveness of a system, product, or experience.

    Simple

    The new software update includes several enhancements to the security system.

    In context

    The latest architectural enhancements were designed to improve the building's energy efficiency while maintaining its historical aesthetic.

  2. 02 C1 Advanced Technical Computing

    the process of making an image or sound clearer using technology.

    the technical process of increasing the clarity or detail of a digital image, audio signal, or medical scan.

    Simple

    Digital enhancement made the blurry old photograph look much clearer.

    In context

    The forensic team used advanced image enhancement to identify the license plate number from the grainy security footage.

    Usage

    Often used as an uncountable noun in digital processing contexts.

It took a ton of special effects work to pull off the sequence, combining practical effects, miniatures, and CGI enhancements.

Ars Technica· 28 Aug 2026

Adding minerals that alter the chemistry of seawater, in a process called ocean alkalinity enhancement (OAE), is a proposed solution to address both of these challenges.

Phys.org· 26 Aug 2026
This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated