Feature of this puzzle's theme answers?

Question:

Length:

Similar Crossword Questions:

Weather Channel feature (it's the puzzle theme found in a quintet of answers)
New element whose name will be ratified in January, 2010, and whose symbol appears in the middle of this puzzle's theme answers
Picnic serving, and when divided properly, a hint to a hidden feature of six pairs of puzzle answers
"Be careful what you say," and a hint to a feature shared by this puzzle's perimeter answers
They swing up and down in this puzzle's theme answers
Out of whack, or what's featured in each of this puzzle's theme answers
Radio studio feature, and what each of this puzzle's four other longest answers literally is
"The wart stops here" product, and a hint to the theme found in eight puzzle answers
Word before the first word in this puzzle's theme answers
Quarrel ... or a feature of five answers in this puzzle
Theme of this puzzle hidden in the seven other longest across answers
What one gets by multiplying the numbers in this puzzle's theme answers
Choice words swapped in this puzzle's theme answers
Struck out, as one letter in each of this puzzle's theme answers
Alternative words used as alternatives for each other in this puzzle's theme answers
Rhyme runaway, and how this puzzle's theme answers are formed?
Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)
Time to feature any of the three theme answers?
What this puzzle's theme answers start with
Wise guys featured in this puzzle's theme answers
What each completed pair of theme answers in this puzzle is
Equipment for each of this puzzle's theme answers
Upright, and what's been removed to form this puzzle's theme answers
Surplus integral to this puzzle's theme answers
What one must have to solve this puzzle's theme answers