Congress forcing a compromise(d) Space Shuttle design on NASA. Among other things, the space shuttle was the first human space vehicle to use solid rocket boosters. Solid rocket boosters were previously deemed unsafe for human space flight because once they're lit, they don't stop boosting until the fuel is gone. Liquid-fueled rockets can be shut off.
Definition of conductive. : having conductivity : relating to conduction (as of electricity)
Definition of conduction. 1  1 : the act of conducting or conveying. 2  2a : transmission through or by means of a conductor; also : the transfer of heat through matter by communication of kinetic energy from particle to particle with no net displacement of the particles â compare convection, radiationb : conductivity.