rubber hydrocarbon

noun

: a white highly polymerized hydrocarbon (C₅H₈)_n or (C₁₀H₁₆)_n that is amorphous at ordinary temperatures and that is stereoisomeric with gutta hydrocarbon and constitutes the principal component of natural rubber : a cis form of polyisoprene

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now