a bomb that has a detonating mechanism that can be set to go off at a particular time
a problematic situation that will eventually become dangerous if not addressed; "India is a demographic time bomb"; "the refugee camp is a ticking bomb waiting to go off"
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"
wet spongy ground of decomposing vegetation; has poorer drainage than a swamp; soil is unfit for cultivation but can be cut and dried and used for fuel
not processed or subjected to analysis; "raw data"; "the raw cost of production"; "only the crude vital statistics"
belonging to an early stage of technical development; characterized by simplicity and (often) crudeness; "the crude weapons and rude agricultural implements of early man"; "primitive movies of the 1890s"; "primitive living conditions in the Appalachian mountains"
not carefully or expertly made; "managed to make a crude splint"; "a crude cabin of logs with bark still on them"; "rough carpentry"