hydration

Everyday

1. Taking in enough water so that your body works well. tree →
2. Putting water or moisture into something, such as skin, soil or a dry substance. tree →
3. (chemistry) A reaction in which water joins with another substance. tree →

In the lessons

In health, PE and sport, hydration means drinking enough; sports drinks and water bottles are sold for hydration. In science, hydration is when water combines with a substance; cement sets by hydration. Gardeners talk about soil hydration. Phrases: good hydration, hydration pack, hydration station, stay on top of your hydration.

Examples

• Good hydration helps your brain think clearly in tests. tree →
• The race had hydration stations with cups of water every mile. tree →
• Hydration is extra important on hot days. tree →
• The coach talked to us about hydration before the match. tree →
• This lotion is for skin hydration. tree →
• Concrete hardens through a chemical reaction called hydration. tree →
• Fruit like watermelon helps with hydration because it is mostly water. tree →

Note

Uncountable: «hydration», not «a hydration» in everyday use. Verb: «hydrate»; adjective: «hydrated»; opposite: «dehydration». Do not confuse with «hydrogen» (a gas) or «hydraulic» (moved by liquid pressure), though all share «hydr-» = water.