H2O: meaning, definitions and examples

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H2O

[ ˈeɪʧ tuː ˈoʊ ]

Noun

^{Context #1 | Noun}

chemistry

A colorless, odorless liquid that is essential for all forms of life. It is known as water and consists of two hydrogen atoms bonded to one oxygen atom.

Synonyms

water.

Which Synonym Should You Choose?

Word	Description / Examples
H2O	Generally used in casual or humorous speech when referencing water scientifically or in a whimsical manner. I need to drink some H2O to stay hydrated today Can you pass me that bottle of H2O?
water	Appropriate for everyday conversation and general contexts. Can I have a glass of water, please? The plant needs water to grow

Word

Description / Examples

H2O

Generally used in casual or humorous speech when referencing water scientifically or in a whimsical manner.

I need to drink some H2O to stay hydrated today
Can you pass me that bottle of H2O?

water

Appropriate for everyday conversation and general contexts.

Can I have a glass of water, please? The plant needs water to grow

Examples of usage

Plants need H2O to survive.
Drinking enough H2O is important for your health.

Translations

Translations of the word "H2O" in other languages:

🇵🇹 água

🇮🇳 पानी

🇩🇪 Wasser

🇮🇩 air

🇺🇦 вода

🇵🇱 woda

🇯🇵 水 (みず)

🇫🇷 eau

🇪🇸 agua

🇹🇷 su

🇰🇷 물 (mul)

🇸🇦 ماء (maa')

🇨🇿 voda

🇸🇰 voda

🇨🇳 水 (shuǐ)

🇸🇮 voda

🇮🇸 vatn

🇰🇿 су

🇬🇪 წყალი (tskali)

🇦🇿 su

🇲🇽 agua

Etymology

The chemical formula H2O is commonly known as water, a compound that is vital for the existence of life on Earth. Water covers about 71% of the Earth's surface and is essential for the survival of all living organisms. The term H2O originated from the combination of the chemical symbols for hydrogen (H) and oxygen (O), representing the two elements that make up water.