វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
small
medium
large
Touchstone
noun
1.
(a
stone
formerly
used
to
test
the
purity
of
gold
or
silver
, a
standard
or
criterion
by
which
something
is
judged
) jeweler's touchstone
ថ្មដែលគេយកមកសាកមើលមាស (ថាសុទ្ធមិនសុទ្ធ),
touchstone of
its
genre
គំរូ
ENGLISH MEANING
noun
1.
Lydian
stone
;
basanite
; -- so
called
because
used
to
test
the
purity
of
gold
and
silver
by the
streak
which
is
left
upon
the
stone
when
it is
rubbed
by the
metal
.
2.
Any
test
or
criterion
by
which
the
qualities
of a
thing
are
tried
.