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reconstitution

American  
[ree-kon-sti-too-shuhn, -tyoo-] / riˌkɒn stɪˈtu ʃən, -ˈtju- /

noun

  1. the act, process, or result of putting the elements of something back together into a whole; reconstruction.

    Although places and events are concrete, our mental reconstitutions of them are often inaccurate.

    The restorative work aimed at a full reconstitution of the building’s medieval character, including furniture and other objects.

  2. the act or process of returning a dehydrated or concentrated food or other substance to its normal liquid state by adding water.

    In the Apollo moon program of the late 1960s, hot water was available for rapid reconstitution of freeze-dried foods by the astronauts.


Etymology

Origin of reconstitution

First recorded in 1755–65; 1915–20 reconstitution for def. 2; re- ( def. ) + constitution ( def. )

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.

The 2026 Russell reconstitution follows a detailed schedule.

From Barron's • May 22, 2026

In these in vitro reconstitution experiments, they observed that the filaments display dynamic instability.

From Science Daily • Apr. 20, 2026

Last year, only three new members were added through the annual reconstitution.

From MarketWatch • Dec. 13, 2025

Some investors may use the additional liquidity to take advantage of price dislocations that may result, especially before the reconstitution is completed at week's end.

From Reuters • Jun. 21, 2023

One day the shaft of rays struck the layer of substance on the screen where and where alone the spontaneous work of chemical decomposition and immediate reconstitution could be performed.

From The Three Eyes by Leblanc, Maurice

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