a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
tending to or capable of propelling; "propellant fuel for submarines"; "the faster a jet plane goes the greater its propulsive efficiency"; "universities...the seats of propulsive thought"
the act of infusing or introducing a certain modifying element or quality; "the team's continued success is attributable to a steady infusion of new talent"
(medicine) the passive introduction of a substance (a fluid or drug or electrolyte) into a vein or between tissues (as by gravitational force)
the process of extracting certain active properties (as a drug from a plant) by steeping or soaking (usually in water)
a solution obtained by steeping or soaking a substance (usually in water)