clearance
noun
- usable height below or inside a structure
- permission for an aircraft to proceed with an action at the pilot's discretion
- clean, make clear or open
- rate at which a substance is removed or cleared from the body by the kidneys or in renal dialysis
Wiktionary
Pronunciation: /ˈklɪə̯.ɹəns/ / [ˈkʰlɪə̯.ɹəns] ~ [ˈkʰlɪə̯.ɹn̩s] / /ˈklɪɚ.əns/
noun
Etymology: Etymology tree English clear Proto-Indo-European *-yós Proto-Italic *-ios Old Latin -ios Latin -ius Latin -iader. Old French -ancebor. Middle English -aunce English -ance English clearance From clear + -ance.
- The act of clearing or something (such as a space) cleared.
“In conclusion, it must be reiterated that effective snow clearance is largely a matter of forward planning and departmental co-operation.”
- The distance between two moving objects, especially between parts of a machine
- The height or width of a tunnel, bridge or other passage, or the distance between a vehicle and the walls or roof of such passage; a gap, headroom.
“Clearance on these freeway overpasses is limited, so big trucks must detour.”
“When the scheme is completed, the 99-year-old swing bridge over the canal will be dispensed with as the new bridge will have sufficient height to allow clearance for the passage of canal traffic.”
- A permission for a vehicle to proceed, or for a person to travel.
“The plane got clearance from air traffic control, and we were off.”
“He got clearance to travel to America, even though he had previous links to terrorists.”
- A permission to have access to sensitive or secret documents or other information.
“In a thread called “Calm Before the Storm”, and in subsequent posts, Q established his legend as a government insider with top security clearance who knew the truth about a secret struggle for power involving Donald Trump, the “deep state”, Robert Mueller, the Clintons, pedophile rings, and other stuff.”
- A permission to use something, usually intellectual property, that is legally, but not otherwise, protected.
- A sale of merchandise, especially at significantly reduced prices, usually in order to make room for new merchandise or updated versions of the same merchandise; sometimes as a closeout.
- The settlement of transactions involving securities or means of payment such as checks by means of a clearing house.
- The removal of harmful substances from the blood; renal clearance.
- The act of potting all the remaining balls on a table at one visit.
- The act of kicking a ball away from the goal one is defending.
“Bolton were then just inches from taking the lead, but the dangerous-looking Taylor drilled just wide after picking up a loose ball following Jose Bosingwa's poor attempted clearance.”
- Removal of pieces from a rank, file or diagonal so that a bishop, rook or queen is free to move along it.
- Clear or net profit.
“There can, I believe, be no doubt of this, that sugar can be made better and cheaper in large quantities than in small. But the clearance, sir; that is the question. How would this affect the clearance? The sugar manufacturer would want his profit.”
- The first disposal in a chain that leaves the area of a stoppage, or a disposal that leaves the area of a stoppage itself.
- The act of leaving the area of a stoppage.