stands for prefix
prefix
ultraviolet
National Enterprise Association
Pref means a prefix, so "tetrad prefix" might be "quad."
crossword puzzle
Where is the crossword puzzle?
If you are interested in buying a Washington Post crossword puzzle you could check out your local variety store or news stand. They will have the latest edition of the newspapers every day.
crossword puzzle
American Crossword Puzzle Tournament was created in 1978.
It means that the answer to the clue has a variant in spelling, or simply that the word does not have the most common spelling.
clear-cut (for a crossword puzzle lol)
no