Rating | Solver | Clue |
---|---|---|
PYREX | Strong glass | |
ETCH | To produce, as figures or designs, on mental, glass, or the like, by means of lines or strokes eaten in or corroded by means of some strong acid. | |
PEARLASH | ...sists principally of potassium carbonate, and has a strong alkaline reaction. It is obtained by lixiviating wood ashes, and evaporating the lye,... | |
URANIUM | ...greenish-yellow tint which is accompanied by a strong fluorescence, and its black oxide is used as a pigment in porcelain painting. Symbol U. At... |