stands for prefix
prefix
ultraviolet
Pref means a prefix, so "tetrad prefix" might be "quad."
National Enterprise Association
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.
Where is the crossword puzzle?
American Crossword Puzzle Tournament was created in 1978.
crossword puzzle
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