% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Other crossword clues for answer "YTTRIA"

YTTRIA
Oxide of element 39
White powder related to element 39
White powder used in incandescent gas
Oxide in which the letters for 4-Down can be nonconsecutively found backwards
Oxide of element 39, used in TV tubes
Oxide in incandescent gas mantles
Heavy white powder, in chemistry.
Heavy, insoluble powder.
Powder used in color TV tubes
Powder used in television tubes
Oxide used in television tubes
Powder used in lasers
Oxide used in picture tubes
Yellowish powder used in ceramics