free drop
noun
1An unbroken fall, without impediment or drag; = free fall.
2 Golf a legal repositioning of the ball without penalty after it has landed in a spot which is judged to be unplayable.
3A parachute descent made with a free parachute (now rare ).
Origin
Mid 19th century; earliest use found in Chambers's Information for People.
- phosphofructokinase
- phosphoglucomutase
- phosphoglycerate
- phosphoglyceric acid
- phosphoglyceride
- phosphogypsum
- phosphoinositide
- phosphokinase
- phospholipase
- phospholipid
- phospholipin
- phospholipine
- phospholipoid
- phosphomolybdate
- phosphomolybdic
- phosphomonoesterase
- phosphon
- phosphonate
- phosphonic acid
- phosphonitrile
- phosphonitrilic
- phosphonium
- phosphophyllite
- phosphoprotein
- phosphor