noun
also lig·ro·ine ˈligrəwə̇n
( -s )
Etymology: origin unknown
: any of several petroleum naphtha fractions boiling usually in the range 20° to 135° C that commonly have a specified boiling range whether narrow (as for petroleum pentane or petroleum hexane) or wide (as 40° to 75° C) and that are used chiefly as solvents