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IELTS BNC: 5606 COCA: 8962

clearance

clearance /ˈklirəns/ noun
plural clearances
clearance
/ˈklirəns/
noun
plural clearances
Learner's definition of CLEARANCE
: an official decision saying that someone has permission to do something许可;批准
[noncount]
[count]
: official permission for an aircraft, pilot, etc., to do something(给飞机、飞行员等发出的)许可
[noncount]
[count]
: the amount of space between two things间隙;间距
[noncount]
[count]
[noncount] : the act or process of removing things (such as trees or old buildings) from an area清理;清除
IELTS BNC: 5606 COCA: 8962

clearance

noun

clear·​ance ˈklir-ən(t)s How to pronounce clearance (audio)
1
: an act or process of clearing: such as
a
: the removal of buildings from an area (such as a city slum)
b
: the act of clearing a ship at the customhouse
also : the papers showing that a ship has cleared
c
: the offsetting of checks and other claims among banks through a clearinghouse
d
: certification as clear of objection : authorization
security clearance
e
: a sale to clear out stock
f
: authorization for an aircraft to proceed especially with a specified action
clearance to land
2
: the distance by which one object clears another or the clear space between them
3
: the volume of blood or plasma that can be freed of a specified constituent in a specified time by its excretion into the urine through the kidneys
a creatine clearance of 25 milliliters per minute

called also renal clearance

Example Sentences

She has a security clearance that allows her to see the classified information. The pilot got clearance to land. That flight has not received clearance for landing. There was only 10 inches of clearance between the car and the side of the tunnel. a bridge with a 100-foot clearance above the water the clearance of forests for farming slum clearance to make room for new housing See More
Recent Examples on the Web And because this is Nike, its clearance bin is actually full of quality garb. Christian Gollayan, Men's Health, 16 Sep. 2022 The Justice Department said an offer by Assa Abloy and Spectrum Brands to divest assets to obtain antitrust clearance was inadequate. Jan Wolfe, WSJ, 15 Sep. 2022 In the protocol, Carter now must undergo a five-step process that includes being granted clearance by a team physician and independent neurological consultant. Chris Perkins, Sun Sentinel, 12 Sep. 2022 Your 5th House of Creativity and Passion is brilliantly illuminated by the Pisces Full Moon, giving you complete clearance to do nothing but chase after whatever brings happiness into your life. Chicago Tribune, 10 Sep. 2022 Completing the package is a removable hard top and body panels, along with a gnarly set of 37-inch all-terrain tires that help boost ground clearance to 13.1 inches. Bryan Hood, Robb Report, 10 Sep. 2022 Many people often just have their clearance revoked without being charged. CBS News, 9 Sep. 2022 East’s attorney, Jamie Moncus, said federal law requires the pharmacy, not the pharmacist, to get approval to seek clearance for a pharmacist to return to work in such situations. al, 8 Sep. 2022 But about a month after surgery, Baribeau quietly requested a medical clearance letter from Dr. Robert Catania, the general surgeon who had done his emergency operation, to return to work in the operating room. BostonGlobe.com, 8 Sep. 2022 See More

Word History

First Known Use

1540, in the meaning defined at sense 1

Time Traveler
The first known use of clearance was in 1540
IELTS BNC: 5606 COCA: 8962
clearance

noun¹

1removal of sth old/unwanted清除ADJECTIVE | CLEARANCE + NOUN | PREPOSITION ADJECTIVEforest, land, site, slum森林砍伐;土地清理;工地清理;貧民窟拆除CLEARANCE + NOUNwork清理工作sale (= when goods are sold cheaply to get rid of them quickly) 清倉甩賣rack (= in a clearance sale) (NAmE) 清倉甩賣貨架PREPOSITIONon clearance (= reduced in price) 降價出清These coats are on clearance.這些外套在降價出清。
clearance

noun²

2official permission官方許可ADJECTIVE | VERB + CLEARANCE ADJECTIVEofficial, proper官方/專門許可top-secret絕密級許可customs, diplomatic, entry, medical, security結關;外交放行;入境許可;醫療證明;通過忠誠審查take-off起飛許可VERB + CLEARANCEget, obtain, receive獲得許可;收到放行證明You'll need to get security clearance for this job.做這項工作需要先通過忠誠審查。have有放行證明apply for, request, seek申請許可;要求放行;尋求放行await等待放行give sb, grant sb給予某人放行The pilot was granted clearance to land.飛行員得到了着陸許可。refuse sb拒絕給某人放行
clearance

noun³

3distance between sth and sth passing under/beside it間隙ADJECTIVE | VERB + CLEARANCE | PREPOSITION ADJECTIVEground離地間隙We need to increase the vehicle's ground clearance.我們需要增加車輛的離地間隙。VERB + CLEARANCEallow (sb/sth), give sb/sth, leave(為⋯)留出淨空Make sure you allow enough clearance on each side.要確保每一側都留出足夠的間隙。Always give bikes plenty of clearance.要總是給自行車留下足夠的間隙。PREPOSITIONclearance above⋯上方的淨空clearance above the light to prevent overheating為防止過熱而在燈上方留出的淨空clearance between⋯之間的淨空There wasn't enough clearance between the bus and the top of the bridge.公共汽車和橋頂之間沒有足夠的空隙。

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