Dictionary.com
Thesaurus.com

acetylmethylcarbinol

American  
[uh-seet-l-meth-uhl-kahr-buh-nawl, -nol, uh-set-, as-i-tl-] / əˌsit lˌmɛθ əlˈkɑr bəˌnɔl, -ˌnɒl, əˌsɛt-, ˌæs ɪ tl- /

noun

Chemistry.
  1. acetoin.


Etymology

Origin of acetylmethylcarbinol

acetyl + methyl + carbinol