precipitant

Rushing or falling headlong.

Acting with or marked by impulsiveness in thought or action; rash.

Abrupt or unexpected; sudden.

A substance that causes a precipitate to form when it is added to a solution.

Falling headlong; headlong.

Rushing hastily onward.

Rashly hasty; precipitate; characterized by rapid movement or progress; impatient to reach a conclusion.

In chem., an agent which, when added to a solution, separates something dissolved and causes it to precipitate, or fall to the bottom in a concrete state.

Any force or reagent which causes the formation of a precipitate.

Falling or rushing headlong; rushing swiftly, violently, or recklessly; moving precipitately.