hydrated

American

[hahy-dray-tid] / ˈhaɪ dreɪ tɪd /

adjective

chemically combined with water in its molecular form.
(of paper pulp) beaten until gelatinous for making into water-resistant paper.

hydrated British

/ ˈhaɪdreɪtɪd /

adjective

(of a compound) chemically bonded to water molecules

"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

Other Word Forms

Etymology

Origin of hydrated

First recorded in 1800–10; hydrate + -ed ²

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:

hydrated

Forecasters advise those working or recreating outdoors as well as those without air conditioning to follow the forecast this week, stay hydrated, and seek cooling centers when possible.

From Los Angeles Times ● Sep. 8, 2026

For most of us, that will keep us well hydrated.

From The Wall Street Journal ● Aug. 27, 2026

All three moons appear to contain the same hydrated mineral, but researchers have not yet been able to determine exactly what it is.

From Science Daily ● Aug. 14, 2026

Like other tour guides, Giusto always urges tourists to stay hydrated, wear a hat and sunscreen.

From BBC ● Aug. 4, 2026

Within half an hour, we’re fed and hydrated and have enough food to keep us going for the day.

From "Without Refuge" by Jane Mitchell

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023