English dictionary



Hint: Wildcards can be used multiple times in a query.

English noun: butadiene

1. butadiene (substance) a gaseous hydrocarbon C4H6; used in making synthetic rubbers


Broader (hypernym)hydrocarbon


Narrower (hyponym)chloroprene


Substance meronymbuna, buna rubber









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk