ˈpərmənən](t)s, ˈpə̄m-, ˈpəim- also -mnən] noun
( -s )
Etymology: Middle English, from Middle French, from Medieval Latin permanentia, from Latin permanent-, permanens + -ia -y
1. : the quality or state of being permanent : durability
a pioneer town … that has not yet acquired an air of permanence — Ivor Jones
the permanence of his achievement — Hilaire Belloc
the degree of permanence of different ruling inks — Ruling Inks & Dyes
2. : two adjacent like signs in a series of positive and negative signs in mathematics — opposed to variation
in the series of coefficients of the polynomial 3x 3 -x 2 -8x+7 there is one permanence