Noun
The
premodern
and
early
modern
study
of
physical
changes
,
particularly
in
Europe
,
Arabia
,
and
China
;
and
chiefly
in
pursuit
of
an
elixir
of
immortality
,
a
universal
panacea
,
or
a
s stone
able
to
transmute
base metals
into
gold
,
eventually
developing
into
chemistry
.