Frontier



[fruhn-teer, fron-; also, esp. British, fruhn-teer] /frʌnˈtɪər, frɒn-; also, esp. British, ˈfrʌn tɪər/

noun
1.
the part of a country that borders another country; boundary; border.
2.
the land or territory that forms the furthest extent of a country’s settled or inhabited regions.
3.
Often, frontiers.

4.
Mathematics. (def 2).
adjective
5.
of, relating to, or located on the frontier:
a frontier town.
/ˈfrʌntɪə; frʌnˈtɪə/
noun
1.

2.
(US & Canadian)

3.
(often pl) the limit of knowledge in a particular field: the frontiers of physics have been pushed back
n.

c.1400, from Old French frontier “prow of a ship, front rank of an army” (13c.), noun use of adjective frontier “facing, neighboring,” from front “brow” (see front (n.)).

Originally the front line of an army, sense of “borderland” is first attested early 15c. In reference to North America, from 1670s; later with a specific sense:

What is the frontier? … In the census reports it is treated as the margin of that settlement which has a density of two or more to the square mile. [F.J. Turner, “The Frontier in American History,” 1920]

Frontiersman is from 1782.

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    noun 1. (chem) the highest-energy occupied orbital or lowest-energy unoccupied orbital in a molecule. Such orbitals have a large influence on chemical properties

  • Frontiersman

    [fruhn-teerz-muh n, fron- or, esp. British, fruhn-teerz-] /frʌnˈtɪərz mən, frɒn- or, esp. British, ˈfrʌn tɪərz-/ noun, plural frontiersmen. 1. a person, especially a man, who lives on the frontier, especially in sparsely settled regions. /ˈfrʌntɪəzmən; frʌnˈtɪəz-/ noun (pl) -men 1. (formerly) a man living on a frontier, esp in a newly pioneered territory of the […]



  • Frontiersmen

    [fruhn-teerz-muh n, fron- or, esp. British, fruhn-teerz-] /frʌnˈtɪərz mən, frɒn- or, esp. British, ˈfrʌn tɪərz-/ noun, plural frontiersmen. 1. a person, especially a man, who lives on the frontier, especially in sparsely settled regions. /ˈfrʌntɪəzmən; frʌnˈtɪəz-/ noun (pl) -men 1. (formerly) a man living on a frontier, esp in a newly pioneered territory of the […]

  • Frontierswoman

    /ˈfrʌntɪəzwʊmən; frʌnˈtɪəz-/ noun (pl) -women 1. (formerly) a woman living on a frontier, esp in a newly pioneered territory of the US



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