The phrase "a clearance of" is correct and usable in written English.
It can be used in contexts related to the removal or reduction of something, often in terms of space, inventory, or regulations.
Example: "The store is having a clearance of winter clothing to make room for spring merchandise."
Alternatives: "a reduction of" or "a removal of".
Her compatriot, the Olympic bronze medallist Robbie Grabarz, finished fourth in the high jump with a clearance of 2.24m.
Stacy Dragila is the world record-holder in the women's pole vault with a clearance of 15 feet 1 3/4 inches.
A victory in the high jump with a clearance of 1.89m, 6cm shy of her British record, was deemed no more than "an OK performance".
Holly Bleasdale won the pole vault with a clearance of 4.60m, backing up the early-season 4.62m with which she leads the world rankings.
Trailing 0-59 in the penultimate frame, Higgins produced, like a gunfighter down to his last bullet, a clearance of 69 to level the match and added the decider comfortably.
Gordon, a senior at McDowell High School, won the triple jump on opening day in Landover, Md., and came back yesterday to win the high jump with a clearance of 6 feet.
The 20-year-old clocked 13.49 in the 100 metres hurdles, just 0.01 outside her personal best, and followed it up with a clearance of 1.83m in the high jump, narrowly down on her season's best.
WHAT -- Winnebago Sightseer 30B HOW MUCH -- $65,900 This 2002 entry-level R.V., 30 feet long with a clearance of 12 feet, has four-wheel antilock brakes, a 75-gallon water tank with heater and a four-watt generator.
Wales' Sally Peake took silver with a clearance of 4.25m while England's Sally Scott and Canada's Alysha Newman shared bronze with 3.80m, a height that would have been good enough for only last place in Delhi.
Despite that, however, high beat low, and a series of 15 soaring arches was built from shore to shore, with a pedestrian walkway on top, 1,450 feet long, with a clearance of 114 feet over the river.
A clearance of 10 cm between wellbore and BHA is assumed.
