— subtilization , n. — subtilizer , n.
/sut"l uyz', sub"teuh luyz'/ , v. , subtilized, subtilizing .
v.t.
1. to elevate in character; sublimate.
2. to make (the mind, senses, etc.) keen or discerning; sharpen.
3. to introduce subtleties into or argue subtly about.
4. to make thin, rare, or more fluid or volatile; refine.
v.i.
5. to make subtle distinctions or to argue subtly.
Also, esp. Brit., subtilise .
[ 1585-95; subtilizare, equiv. to subtil ( is ) SUBTLE + -izare -IZE ]