Definition of hydrate in English:

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Pronunciation: /ˈhīˌdrāt/


A compound, typically a crystalline one, in which water molecules are chemically bound to another compound or an element.
Example sentences
  • Methane hydrate is an ice-like compound in which methane molecules are enclosed in cavities formed by water molecules.
  • Methane hydrates belong to a group of compounds known as gas hydrates.
  • Gas hydrate is a crystalline substance composed of gas and water.


[with object]
1Cause to absorb water.
Example sentences
  • All that water you downed hydrates your skin, making your cheeks rosy and eyes bright - bonus!
  • The chicken feet are first blanched with boiling water to hydrate the skin.
  • Facial moisturizers help hydrate the skin on your face.
1.1 Chemistry Combine chemically with water molecules: (as adjective hydrated) hydrated silicate crystals
More example sentences
  • All ions in solution are hydrated, surrounded by water molecules that bond to it through ionic attractions.
  • Water bridges represent the most economical way to hydrate the surface of molecules, with an associated entropic cost.
  • Caesium is a weakly hydrated alkaline metal with chemical similarities to potassium.



Example sentences
  • Water retained by the clays increased with both hydratable surface area and layer charge of the clays.
  • Moisture retention coupled with the presence of hydratable oxides could result in volumetric instability.
  • The solution absorbed by the hydratable layer cannot be discharged by mechanical means.


Pronunciation: /ˈhīˌdrādər/
Example sentences
  • To help your eyelashes stay strong, apply mascaras that condition and strengthen the lash hair with special hydrators like panthenol and keratin.
  • Bananas not only make great skin hydrators, they also can improve the health and natural elasticity of your hair.
  • Always overloading, he had brought a case of extra ammo for every gun and bow, rations to last three days, the hydrator, a backup tent, and his signaling equipment for Keahi.


Early 19th century: coined in French from Greek hudōr 'water'.

Words that rhyme with hydrate

abate, ablate, aerate, ait, await, backdate, bait, bate, berate, castrate, collate, conflate, crate, create, cremate, date, deflate, dictate, dilate, distraite, donate, downstate, eight, elate, equate, estate, fate, fête, fixate, freight, frustrate, gait, gate, gestate, gradate, grate, great, gyrate, hate, inflate, innate, interrelate, interstate, irate, Kate, Kuwait, lactate, late, locate, lustrate, mandate, mate, migrate, misdate, misstate, mistranslate, mutate, narrate, negate, notate, orate, ornate, Pate, placate, plate, prate, prorate, prostrate, pulsate, pupate, quadrate, rate, rotate, sate, sedate, serrate, short weight, skate, slate, spate, spectate, spruit, stagnate, state, straight, strait, Tate, tête-à-tête, Thwaite, translate, translocate, transmigrate, truncate, underrate, understate, underweight, update, uprate, upstate, up-to-date, vacate, vibrate, wait, weight carbohydrate

For editors and proofreaders

Syllabification: hy·drate

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