كلّس

1.
, verbal noun تَكْلِيسٌ, He plastered (طَرَّ) a building with كِلْس; as also كَلَسَ, verbal noun كَلْسٌ: he made smooth [with plaster]: when a thing is thickly plastered, it is termed مُقَرْمَدٌ. (TA.) See كِلْسٌ.
2.
As used by the alchemists, [He calcined a substance;] he dissolved a body so that it became like كِلْس. (TA.)

Perseus ID: n37200