English Reference

Word

augmentation

Phoneticsaug·men·ta·tion

US/ˌɑɡmɛnˈteɪʃən/

UK/ˌɔːɡmɛntˈeɪʃən/

Definitions

01general increase or addition

C1

n. the act of making something bigger or better by adding to it.

n. the process of increasing the size, amount, or degree of something by adding a supplementary component.

“The company announced an augmentation of its staff to handle the new project.”

“The augmentation of the existing security protocols was deemed necessary following the recent breach of the internal database.”

Academic · Formal

Usage

Often used with the preposition 'of'.

Antonyms

reductiondiminution

02medical enlargement

C1 · Medicine

n. a medical operation to make a part of the body larger.

n. a surgical procedure intended to increase the size or volume of a specific body part.

“She decided to undergo breast augmentation surgery after consulting with her doctor.”

“Advancements in cosmetic surgery have led to safer techniques for soft-tissue augmentation using synthetic fillers.”

Technical

Usage

Frequently appears in the compound 'breast augmentation'.

Synonyms

03musical technique

C2 · Music

n. making a melody slower by making each note last longer.

n. a compositional device where the rhythmic values of a theme or melody are proportionally lengthened.

“The composer used augmentation to make the main theme sound more grand.”

“In the final section of the fugue, the subject appears in augmentation, played by the bass instruments at half the original speed.”

Technical

Usage

Usually functions as an uncountable noun in this context.

Antonyms

diminution

Real-World Examples

“And if developers were to prioritize augmentation and empowerment, AI could be the ultimate tool that helps to tackle widespread resentment and disenchantment with our working lives.”
Phys.org · 3 Sept 2026

Etymology

From Middle English augmentation, augmentacion, augmentacioun, from Old French augmentacion, from Latin augmentātiō, verbal noun from augmentō (“increase”, verb).

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

Related words

Domains

MedicineMusic

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

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English Reference