precipitance(n = noun.attribute) abruptness, precipitancy, precipitateness, precipitousness, suddenness - the quality of happening with headlong haste or without warning;
is a kind of haste, hastiness, hurriedness, hurry, precipitation
Derived form adjective precipitant₁

   The quality or state of being precipitant, or precipitate; headlong hurry; excessive or rash haste in resolving, forming an opinion, or executing a purpose; precipitation; as, the precipitancy of youth. I. Watts. [1913 Webster]