chemical symbol

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noun

A one- or two-letter abbreviation used to represent a specific chemical element, such as H for hydrogen or Fe for iron.

Example Sentences

Examples are provided to illustrate usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Soon everyone will know H2SO4,” he added—the chemical symbol for the colorless, corrosive liquid.

From The Wall Street Journal ● Apr. 16, 2026

The MOF, one of four tested in a collaboration among scientists from Oregon State and Tiangong University in China, is based on scandium, chemical symbol Sc, and a carboxylate linker, TBAPy.

From Science Daily ● Mar. 5, 2024

Thesaurus

Possible Synonyms

element abbreviation
atomic symbol
element symbol
periodic table notation

Possible Antonyms

full name of element
chemical formula
molecular representation
element name