hydrating
hydrating — verb
1. to give your body the water or liquid it needs to work properly, especially afte
to give your body the water or liquid it needs to work properly, especially after losing fluids through exercise, heat, or illness.
Diego drank two full bottles of water after his run to keep hydrating properly.
keep hydrating — continuous form for maintaining fluid intake
Nadia uses a hydrating face cream every morning to stop her skin from drying out.
hydrating as adjective modifying a noun (face cream)
The nurse reminded Ibrahim that hydrating little by little was better than drinking too much at once.
- moisturize
focuses on adding moisture to the surface of skin or hair; less about internal body water balance
- rehydrate
implies restoring water that was lost, especially after dehydration
- quench
more poetic or literary; most often used with 'thirst' rather than the body itself
- dehydrate
to remove water from; the opposite of adding moisture
文法句型
hydrate + object (water, skin, body)
keep hydrating
stay hydrated
用法筆記
Common in health, skincare, and sports contexts. Frequently used in progressive forms ('keep hydrating', 'stay hydrated') or as an adjective ('hydrating cream', 'hydrating drink'). The transitive use takes an object referring to the body or skin ('hydrate your skin'), whereas the intransitive use focuses on the action of drinking ('keep hydrating').
常見錯誤
2. to cause a substance to take in water and form a new compound where water become
to cause a substance to take in water and form a new compound where water becomes part of the chemical structure; or for a substance to undergo this change itself.
When cement powder mixes with water, it begins hydrating and slowly hardens into a solid.
hydrating as intransitive process in construction chemistry
The technician Guo monitored the white powder while it was hydrating in the glass beaker.
passive progressive: was hydrating (intransitive)
Hana learnt that adding water to calcium oxide starts hydrating it, producing calcium hydroxide.
- absorb water
describes the process without specifying chemical bonding; less technical
- combine with water
more literal description of the chemical reaction
- take up water
similar to 'absorb water'; common in technical writing
- dehydrate
to remove water from a substance
文法句型
hydrate + substance (cement, compound)
substance + hydrates (intransitive)
用法筆記
Distinguish from sense 1 (RESTORE FLUIDS): sense 1 deals with living things (body, skin); sense 2 deals with chemical substances (cement, minerals, compounds). Often appears in academic writing or technical manuals. In transitive use the subject is usually a person or a process; in intransitive use the subject is the substance itself.
常見錯誤
hydrating — noun
1. a chemical compound that has water molecules joined to its structure, often visi
a chemical compound that has water molecules joined to its structure, often visible as water that can be removed by heating.
Copper sulfate turns into a blue hydrating when it absorbs moisture from the air.
countable noun: 'a hydrating' in chemistry context
Binta heated the white crystals to see whether they were a true hydrating or just damp.
hydrating distinguished from simple wetness
The lab report listed the mineral as a hydrating of magnesium sulfate with seven water molecules.
- hydrate
the standard term in chemistry for a compound that contains water molecules
- crystalline hydrate
a more specific term referring to water trapped in a crystal lattice
- anhydrous compound
a compound without water in its structure
文法句型
a hydrating of + substance
form a hydrating
用法筆記
In academic chemistry writing, 'hydrate' is far more common than 'hydrating' for this meaning. Both refer to the same type of compound. The countable use ('a hydrating', 'two hydratings') is rare and restricted to very formal scientific texts.