Not easily excited to action or passion; calm; sluggish. / (archaic) Abounding in phlegm. / Generating, causing, or full of phlegm.

One who has a phlegmatic disposition.

In a manner that is sluggish, without enthusiasm.

phlegmatic

plural of phlegmatic

A material added to an explosive to make it less susceptible to detonation and thus more stable and safer to handle and transport.

plural of phlegmatizer

Third-person singular simple present indicative form of phlegmatize

To render an explosive less sensitive to causes of explosion by adding phlegmatizers.

present participle of phlegmatize