mesityl oxide

[ mez-i-til, mes- ]
/ ˈmɛz ɪ tɪl, ˈmɛs- /

noun Chemistry.

an oily, colorless liquid, C6H10O, having a honeylike odor: used chiefly as a solvent and in the manufacture of synthetic organic compounds.

Origin of mesityl oxide

1870–75; mesityl < New Latin mesīt(a) (< Greek mesī́tēs mediator, go-between, equivalent to mes- mes- + -ītēs -ite1) + -yl