Adjective
foreign
,
overseas
Noun
A
compound
most
often
formed
by
the
condensation
of
an
alcohol
and
an
acid
,
with
elimination
of
water
,
which
contains
the
functional group
carbon-oxygen
double bond
(''
i
.
e
.'',
carbonyl
)
joined
via
carbon
to
another
oxygen
atom
.
Verb
to
appear