[ noun ] the spreading of something (a belief or practice) into new regions
Used in print(John Michael Ray, "Rhode Island's Reactions...)
Resolved that his wrongs and bereavements in Kansas , occasioned by the violence and brutality of those who were intent_on the propagation of slavery in that territory , call_for a charitable judgment upon his recent efforts in Virginia to undermine the despotism from which he had suffered , and commend his family to the special sympathy and aid of all who pity suffering and reverence justice .
[ noun ] (biology,sexuality) the act of producing offspring or multiplying by such production
Used in print(The Rev. John A. O'Brien, "Let's Take Birth Control...)
Thus , man can readily deduce that the primary objective end of the conjugal act is procreation , the propagation of the race .