dehydration

Everyday

1. Dehydration is when your body does not have enough water, which can make you thirsty, tired, dizzy and give you a headache. tree →
2. In science and cooking, dehydration is removing water from something, such as drying fruit. tree →

In the lessons

In health and safety, children learn to drink water on hot days and during sport to prevent dehydration; dark yellow wee is a sign. In science, dehydration of food (like raisins from grapes) helps it keep longer. In stories, dehydration is a danger for people lost in a desert. Common phrases: «suffer from dehydration», «prevent dehydration», «signs of dehydration», «severe dehydration».

Examples

• Drink plenty of water to avoid dehydration on hot days. tree →
• The runner was treated for dehydration after the race. tree →
• Headaches can be a sign of dehydration. tree →
• Raisins are made by the dehydration of grapes. tree →
• The lost hikers were suffering from dehydration. tree →
• Babies with tummy bugs can get dehydration quickly. tree →
• In the Australian outback, dehydration can be dangerous. tree →

Note

Uncountable. The verb is «dehydrate» and the adjective «dehydrated». «De-» means «take away» and «hydr-» means «water». Myth: you do not have to wait until you are very thirsty — drinking regularly is the safe habit.