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augmentation

American  
[awg-men-tey-shuhn] / ˌɔg mɛnˈteɪ ʃən /

noun

  • augmentations
    plural
  1. the act of augmenting; state of being augmented.

  2. that by which anything is augmented.

  3. Music. modification of a theme by increasing the time value of all its notes.

  4. Heraldry. an addition to a coat of arms granted to a person by a sovereign power in recognition of a notable action.


augmentation British  
/ ˌɔːɡmɛnˈteɪʃən /

noun

  1. the act of augmenting or the state of being augmented

  2. the amount by which something is increased

  3. music the presentation of a subject of a fugue, in which the note values are uniformly increased Compare diminution

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What does augmentation mean? Augmentation is the act or process of augmenting something—adding to it in a way that makes it bigger or better. This can involve literally or figuratively increasing it in size, number, shape, value, or quality or in some other way. The augmentation of a material involves the addition of another material or substance to make it stronger. The augmentation of a museum collection involves the addition of new artifacts. The word can also refer to a thing that augments—an additional source of income is an augmentation to one’s salary. Augment and augmentation are also used in a much more specific way in the context of music, but their general senses are much more commonly used. Example: The augmentation of our emergency stockpile should be our top priority.

Other Word Forms

Noun Inflected Forms

Etymology

Origin of augmentation

1425–75; late Middle English (< Anglo-French ) < Late Latin augmentātiōn- (stem of augmentātiō ). See augment, -ation; replacing late Middle English aumentacion < Middle French

Explanation

Augmentation makes things bigger. An augmentation is also the amount something increases. To augment is to enlarge something or to add to it. Augmentation is the noun for any process or amount that makes something bigger or greater. It often refers to a budget, curriculum, or some kinds of plastic surgery. The augmentation of the defense budget would increase the budget. The amount of the increase could also be called an augmentation.

Keep Reading on Vocabulary.com

Vocabulary lists containing augmentation

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In The Gambia, authorities have requested a 20 percent augmentation of their existing $172 million program, Kozack said, with a six-month extension and rephasing of access also in the cards.

From Barron's Jun. 4, 2026

"But to truly unlock its potential, we need to better understand the right doses, long-term safety, and interindividual variability in response to NAD+ augmentation strategies."

From Science Daily Mar. 24, 2026

This expansion adds more than 60,000 square feet to the museum, greatly expanding its exhibition space—an augmentation that has been put to full use for this maximalist show.

From The Wall Street Journal Mar. 20, 2026

Last week, Carvalho announced an additional one-time augmentation of $50 million into the Black Student Achievement Plan, or BSAP, for the 2025-26 school year, bringing funding to $175 million.

From Los Angeles Times Jun. 25, 2025

Apart from the spelling mistakes, the last line—Hope you will enjoy this recipe—was Estha’s only augmentation of the original text.

From "The God of Small Things" by Arundhati Roy

Doctors say they’re fielding even more calls than usual to book appointments for face-lifts and breast augmentations during the winter months, as patients anticipate spring break, summer vacation, wedding season and the gala circuit.

From The Wall Street Journal Feb. 7, 2026

Cybernetics professor Kevin Warwick is equally interested in studying augmentations, going one step further than most.

From BBC Jan. 2, 2026

On the “have” list were three breast augmentations, rhinoplasty, Botox and filler.

From Los Angeles Times Mar. 21, 2024

We are going to evolve with these new augmentations.

From Seattle Times Sep. 11, 2023

The report made by Hamilton, in pursuance of this resolution, recommended certain augmentations of the duties on imports, and was immediately referred to the consideration of a committee of the whole House.

From Life and Times of Washington, Volume 2 Revised, Enlarged, and Enriched by John Frederick Schroeder

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