1. clearance(n = noun.attribute) - the distance by which one thing clears another; the space between them;
is a kind of interval, separation
Derived form verb clear9
2. clearance(n = noun.quantity) headroom, headway - vertical space available to allow easy passage under something;
is a kind of elbow room, room, way
3. clearance(n = noun.act) - permission to proceed; "the plane was given clearance to land"
is a kind of license, permission, permit
Derived form verb clear4
1. The act of clearing; as, to make a thorough clearance. [1913 Webster]
2. A certificate that a ship or vessel has been cleared at the customhouse; permission to sail. [1913 Webster]
"Every ship was subject to seizure for want of stamped clearances." [1913 Webster]
3. Clear or net profit. Trollope. [1913 Webster]
4. The distance by which one object clears another, as the distance between the piston and cylinder head at the end of a stroke in a steam engine, or the least distance between the point of a cogwheel tooth and the bottom of a space between teeth of a wheel with which it engages. [1913 Webster]
clearance, n.
1 the removal of obstructions etc., esp. removal of buildings, persons, etc., so as to clear land.
2 clear space allowed for the passing of two objects or two parts in machinery etc.
3 special authorization or permission (esp. for an aircraft to take off or land, or for access to information etc.).
4 a the clearing of a person, ship, etc., by customs. b a certificate showing this.
5 the clearing of cheques.
6 Football a kick sending the ball out of a defensive zone.
7 making clear.
Idiom:
clearance order an order for the demolition of buildings. clearance sale Brit. a sale to get rid of superfluous stock.
N preparation, providing, provision, providence, anticipation, precaution, preconcertation, predisposition, forecast, rehearsal, note of preparation, arrangement, clearance, adjustment, tuning, equipment, outfit, accouterment, armament, array, ripening, maturation, evolution, elaboration, concoction, digestion, gestation, batching, incubation, sitting, groundwork, first stone, cradle, stepping-stone, foundation, scaffold, scaffolding, echafaudage, training, inurement, novitiate, cooking, cookery, brewing, culinary art, tilling, plowing sowing, semination, cultivation, preparedness, readiness, ripeness, mellowness, maturity, un impromptu fait a loisir, preparer, trainer, pioneer, trailblazer, avant-courrier, avant-coureur, voortrekker, sappers and miners, pavior, navvy, packer, stevedore, warming pan, preparing, in preparation, in course of preparation, in agitation, in embryo, in hand, in train, afoot, afloat, on foot, on the stocks, on the anvil, under consideration, brewing, batching, forthcoming, brooding, in store for, in reserve, precautionary, provident, preparative, preparatory, provisional, inchoate, under revision, preliminary, prepared, in readiness, ready, ready to one's band, ready made, ready cut and dried: made to one's hand, handy, on the table, in gear, in working order, in working gear, snug, in practice, ripe, mature, mellow, pukka, practiced, labored, elaborate, highly-wrought, smelling of the lamp, worked up, in full feather, in best bib and tucker, in harness, at harness, in the saddle, in arms, in battle array, in war paint, up in arms, armed at all points, armed to the teeth, armed cap a pie, sword in hand, booted and spurred, in utrumque paratus, semper paratus, on the alert, at one's post, in preparation, in anticipation of, against, for, abroach, a bove majori discit arare minor, looking before and after, si vis pacem para bellum.
N payment, defrayment, discharge, acquittance, quittance, settlement, clearance, liquidation, satisfaction, reckoning, arrangement, acknowledgment, release, receipt, receipt in full, receipt in full of all demands, voucher, salary, compensation, remuneration (reward), repayment, reimbursement, retribution, pay, money paid, ready money, stake, remittance, installment, payer, liquidator, pay cash, pay cash on the barrelhead, paying, paid, owing nothing, out of debt, all straight, unowed, never indebted, to the tune of, on the nail, money down.
N acquittal, acquitment, clearance, exculpation, acquittance, clearance, exoneration, discharge, quietus, absolution, compurgation, reprieve, respite, pardon, impunity, diplomatic immunity, immunity, plea bargain, deal with the prosecutor, no cause for action, no damages, acquitted, uncondemned, unpunished, unchastised, not guilty, not proven, not liable, nemo bis punitur pro codem delicto, acquittal, acquitment, clearance, exculpation, acquittance, clearance, exoneration, discharge, quietus, absolution, compurgation, reprieve, respite, pardon, impunity, diplomatic immunity, immunity, plea bargain, deal with the prosecutor, no cause for action, no damages, acquitted, uncondemned, unpunished, unchastised, not guilty, not proven, not liable, nemo bis punitur pro codem delicto.
N ejection, emission, effusion, rejection, expulsion, exportation, eviction, extrusion, trajection, discharge, emesis, vomiting, vomition, egestion, evacuation, ructation, eructation, bloodletting, venesection, phlebotomy, paracentesis, expuition, exspuition, tapping, drainage, clearance, clearage, deportation, banishment, rouge's march, relegation, extradition, dislodgment, bouncer, chucker-out, vomit, vomitus, puke, barf, emitting, emitted Int, begone!, get you gone!, get away, go away, get along, go along, get along with you, go along with you!, go your way!, away with!, off with you!, get the hell out of here!, go about your business!, be off!, avaunt!, aroynt!, allez-vous-en!, jao!, va-t'en!.