pentacontane

noun

pen·​ta·​con·​tane

ˌpentəˈkän‧ˌtān

plural -s

: a paraffin hydrocarbon C₅₀H₁₀₂

especially : the normal hydrocarbon CH₃(CH₂)₄₈CH₃

Word History

Etymology

Greek pentēkonta fifty + English -ane

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