English dictionary



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

English noun: isobutylene

1. isobutylene (substance) used also in making gasoline components


Broader (hypernym)butene, butylene


Substance meronymbutyl









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