Definition of mesityl in English:

mesityl

noun

Chemistry
  • A cyclic hydrocarbon group or radical derived from mesitylene, either (CH ₃) ₂ C ₆ H ₃ CH ₂ — (3,5-dimethylbenzyl) or (now usually) specifically (CH ₃) ₃ C ₆ H ₃ — (2,4,6-trimethylphenyl). Usually attributive or as a formative element in chemical names.

Origin

Mid 19th century (in an earlier sense). From mesite + -yl.

Pronunciation

mesityl

/ˈmɛsɪtɪl/ /ˈmɛsɪtʌɪl/