| 释义 |
bu·tyr·o·lactone
\|byüd.ə(ˌ)rō, -ə_rə+\ noun
(-s)
Etymology: butyr- + lactone
: a mobile liquid lactone C4H6O2 made usually by dehydrogenation of 1,4-butanediol and used chiefly as a solvent for resins (as polymers of acrylonitrile) — called also butanolide |