Then certain philosophers of the Epicureans, and of
the Stoics, encountered him. --Acts xvii.
18.
2. One who reduces the principles of philosophy to practice
in the conduct of life; one who lives according to the
rules of practical wisdom; one who meets or regards all
vicissitudes with calmness.
3. An alchemist. [Obs.] --Chaucer.
{Philosopher's stone}, an imaginary stone which the
alchemists formerly sought as instrument of converting the
baser metals into gold.