nitroglycerin
UK[ˌnaɪ.trəʊˈɡlɪs.ər.ɪn]US[ˌnaɪ.troʊˈɡlɪs.ər.ɪn]
n
a thick, pale yellow, explosive oil, used in making dynamite and as a medicine to treat heart disease.
Morpheme Breakdown
nitro
glycerin
nitro
nitrogen
glycerin
glycerol
Etymology
the term 'nitroglycerin' is a modern chemical compound name, constructed from international scientific vocabulary in the 19th century. it literally denotes the nitrate ester of glycerol, formed by combining the prefix 'nitro-' (indicating the presence of a nitrogenous group derived from nitric acid) with 'glycerin' (the sweet, alcohol base derived from fats). the word's logic is transparently descriptive of its composition: a substance where glycerin has been nitrated. this naming convention reflects the systematic approach of modern chemistry, where morphemes of greek and latin origin are recombined to precisely label newly synthesized compounds based on their chemical structure.
Analysis
Structure: nitro (nitrogen) + glycerin (glycerol)
- nitro: from french nitre, ultimately from greek nitron. in chemistry, denotes a compound containing the nitro group (no₂), related to nitrogen.
- glycerin: from french glycérine, from greek glykeros meaning "sweet". refers to glycerol, a sweet, viscous liquid.
Examples
the unstable nature of pure nitroglycerin made it dangerous to transport before alfred nobel stabilized it into dynamite.
doctors may administer nitroglycerin to patients experiencing severe chest pain to dilate blood vessels and improve blood flow.
the chemical plant had strict safety protocols for handling nitroglycerin due to its high explosive potential.