Nitrosation

Part of speech: noun

Definitions

1. The chemical process involving the introduction of a nitroso group into a molecule, typically an organic compound, often occurring through reaction with nitrous acid or its derivatives
2. A reaction type in chemistry where a nitroso functional group is added to another compound, resulting in structural modification often used in synthesis and biochemical studies
3. The transformation of a substrate by attaching a nitroso moiety through chemical reaction pathways commonly involving nitrosating agents like nitrous acid or related compounds

Etymology: Nitrosation is a plain chemical coinage, built from "nitroso" with the suffix "-ation" attached. The "-ation" ending is itself a long inherited path: it runs from Proto-Indo-European through Latin "-ātiō", passed into Old French as "-ation", and reached Middle English as "-acioun" before settling into the modern form. Each stage took the suffix's basic job of turning a verb-like action into a noun for the act or process. The first half, "nitroso", is the more recent piece. It is formed from "nitrogen" with the suffix used to name compounds containing the nitroso group, a group of nitrogen bonded to oxygen. So the whole word reads literally as "the process of making something nitroso", which is exactly what the chemistry describes: the addition of that group to another molecule.

Synonyms: nitrosylation