tartar
https://gyazo.com/a769556c7964eeebe15a26abb2b722fe
noun
a
hard
calcified
deposit
that forms on the
teeth
and contributes to their
decay
.
歯石
a
deposit
of
impure
potassium
hydrogen
tartrate
formed during the
fermentation
of
wine
. See also
cream of tartar
.
酒石英(
cream of tartar
)〘ベーキングパウダーや薬用にする白い粉〙
DERIVATIVES
tartaric
|tärˈterik| adjective
ORIGIN
late
Middle English
: via medieval
Latin
from medieval
Greek
tartaron
, of unknown origin.