- Carve - Cut (design) with acid - Cut into the surface of glass - Engrave - Engrave middle of sketches - Engrave some tea-set china - Engrave the copper heads
- A white amorphous or granular substance which consists
principally of potassium carbonate, and has a strong alkaline reaction.
It is obtained by lixiviating wood ashes, and evaporating the lye, and
has been an important source of potassium compounds. It is used in
making soap, glass, etc.
- Nuclear fuel - Radioactive element - Yellowcake product - An element of the chromium group, found in certain rare
minerals, as pitchblende, uranite, etc., and reduced as a heavy, hard,
nickel-white metal which is quite permanent. Its yellow oxide is used
to impart to glass a delicate greenish-yellow tint which is accompanied
by a strong fluorescence, and its black oxide is used as a pigment in
porcelain painting. Symbol U. Atomic weight 239.