The act of prolonging existence, of keeping something alive or active.(noun)
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Use "perpetuation" in a sentence
"In other words, your definition tells that the passion for perpetuation is the cause of love, and perpetuation the end to be accomplished."
"They do not reason that the need for perpetuation is the cause of passion; and that human passion, working through imagination and worked upon by imagination, becomes love."
"Yes, local government played a role in perpetuating racism, but it is unclear weather it was the dominant role in the long term perpetuation of racism in the South."