Answer:

length

Answer	Crossword Clue
LENGTH	Extent
LENGTH	End to end
LENGTH	Area factor

LENGTH	Geometry measure
LENGTH	Pool measure
LENGTH	Inseam measurement
LENGTH	Kentucky Derby victory margin
LENGTH	Margin-of-victory unit
LENGTH	Perimeter component
LENGTH	Duration
LENGTH	Movie statistic

LENGTH	Horse race unit
LENGTH	Distance from here to there
LENGTH	Geometry glossary word
LENGTH	Measurement factor
LENGTH	Rope quantity
LENGTH	Pants measure
LENGTH	Inseam measure
LENGTH	Staying power

LENGTH	Film's viewing time
LENGTH	Measure of distance
LENGTH	Size.
LENGTH	What "Parsifal" is noted for.
LENGTH	A dimension.
LENGTH	Piece of dress material.
LENGTH	Dimension
LENGTH	At ... (finally)

LENGTH	Greatest extent
LENGTH	At .... (fully)
LENGTH	Derby victory margin
LENGTH	Film statistic
LENGTH	120 yards, for a football field
LENGTH	One of the three dimensions
LENGTH	Derby victory margin, maybe
LENGTH	Horse-race unit

LENGTH	Linear dimension
LENGTH	Racing unit
LENGTH	At ... (fully)
LENGTH	Width's counterpart