also: シェラックニス
noun
shellac varnish
A varnish made from shellac dissolved in alcohol, used for wood finishing and as a protective coating.
この家具はセラックニスで仕上げてあります。
This furniture is finished with shellac varnish.
Loanword from English 'shellac varnish', with the common Japanese adaptation セラック (or シェラック) for 'shellac' and ニス for 'varnish'.