Precipitant vs Precipitating - What's the difference?

As verbs the difference between precipitant and precipitating

is that precipitant is while precipitating is .

(en adjective)

That falls headlong, or causes a headlong fall

* J. Philips

They leave their little lives / Above the clouds, precipitant to earth.

Rash or impulsive

Sudden or unexpected

(chemistry) That causes precipitation

(en noun)

A substance that forms a precipitate when added to a solution

* * *

(head)