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H2O

/eɪtʃ tuː oʊ/
noun★Beginner
technical

The chemical formula for water, consisting of two hydrogen atoms and one oxygen atom.

In chemistry, H2O is the molecular formula for water.

This formula represents the composition of a water molecule.

💡

H2O is commonly used in scientific and educational contexts to refer to water.

Collocations

H2O moleculea single unit of waterH2O cyclethe movement of water through the environment

Synonyms

Related Phrases

H2O cyclephrase
the movement of water through the environment
H2O moleculephrase
a single unit of water

💡Pro Tip

Scientific Usage

H2O is primarily used in scientific and educational contexts to refer to water.

⚡Gold Rule

Chemical Representation

H2O is the chemical formula for water, consisting of two hydrogen atoms and one oxygen atom.

📖Word Origin

Derived from the chemical symbols for hydrogen (H) and oxygen (O), representing the molecular composition of water.

📝Usage Notes

H2O is a widely recognized abbreviation for water in scientific and technical contexts. It is not commonly used in everyday language to refer to water.

Word Breakdown

H
hydrogen atom
element
+
2
two
quantity
+
O
oxygen atom
element
English Dictionary

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