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TOEFL IELTS BNC: 4553 COCA: 4415

frontier

1 ENTRIES FOUND:
frontier /ˌfrʌnˈtiɚ/ Brit /ˈfrʌntɪə/ noun
plural frontiers
frontier
/ˌfrʌnˈtiɚ/ Brit /ˈfrʌntɪə/
noun
plural frontiers
Learner's definition of FRONTIER
[count]
: a border between two countries边境;国界
: a distant area where few people live边疆;边远地区
: the limits of knowledge in a particular field(某领域知识的)前沿,尖端usually plural通常用复数
TOEFL IELTS BNC: 4553 COCA: 4415

frontier

noun

fron·​tier ˌfrən-ˈtir How to pronounce frontier (audio)
ˈfrən-ˌtir,
frän-ˈtir,
ˈfrän-ˌtir How to pronounce frontier (audio)
1
a
: a border between two countries
the frontier between Canada and the U.S.
b
obsolete : a stronghold on a frontier
2
a
: a region that forms the margin of settled or developed territory
were sent on an expedition to explore the western frontier
b
: the farthermost limits of knowledge or achievement in a particular subject
frontiers in immunology
c
: a line of division between different or opposed things
the frontiers separating science and the humanities R. W. Clark
d
: a new field for exploitative or developmental activity
… the brain lies before us as one of the last scientific frontiers here on earth. Robert Klitzman
frontier adjective

Example Sentences

the frontier between Canada and the U.S. They were sent on an expedition to explore the western frontier.
Recent Examples on the Web Each week seems to bring another milestone in the new frontier of earning opportunities for college athletes. Nathan Baird, cleveland, 23 Aug. 2022 Can a Cambridge startup help to tame the wild frontier of video game voice chat? Scott Kirsner, BostonGlobe.com, 19 Aug. 2022 In each case, the goal is simple: to drive innovation and spearhead the frontier of tech and social media. Q.ai - Powering A Personal Wealth Movement, Forbes, 3 Aug. 2022 Each single-topic, hour-long episode pushes beyond the frontier of the known… embracing the wild world of true exploration in search of answers to some of the greatest mysteries of history, science and adventure. Alex Weprin, The Hollywood Reporter, 26 July 2022 The machines stand 20 feet high, weigh 60,000 pounds and represent the technological frontier of 3-D printing. New York Times, 3 July 2022 For the tribe, drones could save the lives of members and help lift its next generation out of poverty and into the frontier of technological innovation. Jessica Mathews, Fortune, 21 May 2022 The Big Picture While there are endless ways decentralized identity standards could improve the quality of our lives, one specific use case is a thriving industry currently operating at the frontier of Web3: the creator economy. Solo Ceesay, Rolling Stone, 10 May 2022 After Congress cleared civil and voting rights legislation, King embraced guaranteed income as the next frontier of the civil rights movement. Tamar Hallerman, ajc, 14 Jan. 2022 See More

Word History

Etymology

Middle English fronter, from Anglo-French frountere, fronter, from front

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of frontier was in the 15th century
TOEFL IELTS BNC: 4553 COCA: 4415
frontier

noun¹

1 (BrE) border between countries兩國之間的界線ADJECTIVE | VERB + FRONTIER | FRONTIER + NOUN | PREPOSITION ADJECTIVEcommon共同國界Neither country would guarantee the integrity of their common frontier.兩國都對雙方間的共同國界存有爭議。eastern, northern, etc.東部、北部等邊界There were very few border controls on the south-western frontier.西南國界上沒幾個邊境檢查站。Franco-Spanish, French-Spanish, etc.法國-西班牙等邊界VERB + FRONTIERcross穿越邊界The army crossed the frontier in the middle of the night.午夜時份,軍隊越過了邊界。reach到達邊境control, defend, guard控制邊境;保衞邊境The rebels control the frontier and the surrounding area.叛軍控制了邊境及其周邊地區。FRONTIER + NOUNcontrols, post邊境檢查站/哨所guard邊防戰士zone邊境地帶PREPOSITIONacross the frontier穿過邊界The weapons were smuggled across the frontier.武器是偷運過邊境的。along the frontier沿着邊界an army grouping along the frontier沿邊境集結的軍隊at the frontier在邊界上There was an army checkpoint at the frontier.邊界上有一個軍隊檢查站。on the frontier在國界上people living on the German frontier居住在德國邊境地區的人over the frontier越過邊界They were forced to retreat back over the frontier.他們被迫退回到邊界線以內。frontier between⋯之間的邊界the frontier between India and Pakistan印巴邊界frontier with與⋯的接壤地區France's frontier with Germany法國與德國的接壤地區
frontier

noun²

2the frontier the edge of land that is known已知土地的邊緣ADJECTIVE | VERB + FRONTIER | FRONTIER + NOUN ADJECTIVEwild荒野地帶America's wild frontier美國的荒野地帶western西部的邊疆地帶VERB + FRONTIERexplore探查邊疆地帶tame(通過開墾等)控制邊疆地帶settle在邊疆地帶定居FRONTIER + NOUNprovince, settlement, town邊疆地區的省份/定居點/城鎮mentality, spirit邊疆心態/精神
frontier

noun³

3border between what we know and do not know已知與未知之間的界限ADJECTIVE | VERB + FRONTIER ADJECTIVEfinal, last最終/最後未開拓的領域new新領域next下一個新領域technological技術前沿VERB + FRONTIERexplore探索領域Space is the final frontier for us to explore.太空是我們探索的最後一個領域。advance, expand, extend, open, push back拓展/擴展/延伸/開闢/擴大領域The scientists' work will push back the frontiers of physics.科學家的工作將拓展物理學領域。

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