different between ethylbenzene vs xylene

English

ethyl +? benzene

ethylbenzene (countable and uncountable, plural ethylbenzenes)

(organic chemistry) The hydrocarbon C₆H₅-CH₂CH₃ that is used in the production of styrene

xyl- +? -ene

xylene (plural xylenes)

(chemistry) Any of a group of three isomeric aromatic hydrocarbons, found in coal and wood tar.
- 2006, Thomas Pynchon, Against the Day, Vintage 2007, p. 262:
  [...] proceeding, desperately, from such opiated catarrh preparations as Collis Brown's Mixture on to cocainized brain tonics, cigarettes soaked in absinthe, xylene in unventilated rooms, and so on [...].
Synonym: dimethylbenzene

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