notation

n. system of symbols used to mark something (e.g. musical notation); process of marking something systematically; annotation; noting

The term notation can refer to:ChemistryChemical formulaLewis structure, denotes chemical bonds
See more at Wikipedia.org...

Noun
1. a technical system of symbols used to represent special things
(synonym) notational system
(hypernym) writing
(hyponym) mathematical notation
(derivation) notate
2. a comment or instruction (usually added); "his notes were appended at the end of the article"; "he added a short notation to the address on the envelope"
(synonym) note, annotation
(hypernym) comment, commentary
(hyponym) poste restante
(derivation) note, take down
3. the activity of representing something by a special system of marks or characters
(hypernym) writing, committal to writing
(derivation) notate

n. notation, system of symbols used to mark something (e.g. musical notation); process of marking something systematically

n. notation, marking