precipitant

noun

Meaning

A substance that forms a precipitate when added to a solution.

adjective

Meaning

That falls headlong, or causes a headlong fall.
Rash or impulsive.
Sudden or unexpected.
That causes precipitation.

Synonyms

heedless,

hotheaded,

impetuous,

abrupt,

precipitous,

subitaneous,

headlong,

precipitate