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[ahy-suh-preen] /ˈaɪ səˌprin/

noun, Chemistry.
a colorless, volatile, water-insoluble liquid, C 5 H 8 , of the terpene class, usually obtained from rubber or from oil of turpentine by pyrolysis: used chiefly in the manufacture of synthetic rubber by polymerization.
a colourless volatile liquid with a penetrating odour: used in making synthetic rubbers. Formula: CH2:CHC(CH3):CH2 Systematic name methylbuta-1,3-diene

isoprene i·so·prene (ī’sə-prēn’)
A colorless volatile hydrocarbon that is the naturally occurring basis of isoprenoids and that is used in the production of synthetic rubber.
A colorless, volatile liquid obtained from petroleum or coal tar and occurring naturally in many plants. It is used chiefly to make synthetic rubber. The isoprene in plants occurs in the chloroplasts and is used to build terpenes and other biologically important chemicals. Chemical formula: C5H8.


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  • Isoprenoid

    [ahy-suh-pree-noid] /ˌaɪ səˈpri nɔɪd/ adjective, Chemistry. 1. pertaining to, derived from, or similar to . isoprenoid i·so·pre·noid (ī’sə-prē’noid’) n. A polymer whose carbon skeleton consists wholly or partly of isoprene units joined end to end.

  • Isopropanol

    [ahy-suh-proh-puh-nawl, -nol] /ˌaɪ səˈproʊ pəˌnɔl, -ˌnɒl/ noun, Chemistry. 1. .

  • Isopropyl

    [ahy-suh-proh-pil] /ˌaɪ səˈproʊ pɪl/ adjective, Chemistry. 1. containing the . /ˌaɪsəʊˈprəʊpɪl/ noun 1. (modifier) of, consisting of, or containing the group of atoms (CH3)2CH-, derived from propane: an isopropyl group or radical noun the univalent radical (CH3)2CH–, used in combination esp. isopropyl alcohol Usage Note used in combination with other terms

  • Isopropyl-alcohol

    noun, Chemistry. 1. a colorless, flammable, water-soluble liquid, C 3 H 8 O, produced from propylene by the action of sulfuric acid and hydrolysis: used chiefly in the manufacture of antifreeze and rubbing alcohol and as a solvent. isopropyl alcohol i·so·pro·pyl alcohol (ī’sə-prō’pəl) n. A clear, colorless, flammable, mobile liquid used in antifreeze compounds, in […]

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