frontier
frontier
意味(日本語)
国境
語源
- front- : L.fron=the forehead(額、前面)
意味(英語)
- (noun) An international border.
- (noun) The area along an international border.
- (noun) A region just beyond or at the edge of a settled area.
- (noun) An undeveloped area or field for discovery or research: theories on the frontier of astrophysics.
例文
- About two miles from the German frontier (_frontier_ just here as well as front) an isolated hill rises out of the Lorraine meadows.

語源が同じ単語を一緒に覚えよう
affront
affront
(面と向かっての)無礼、侮辱、侮辱する ◇L.ad+frons(=ひたい、顔)
語源
- front- : L.fron=the forehead(額、前面)
confront
confront
直面する、に立ち向かう ◇com+(=frons ひたい)
語源
- front- : L.fron=the forehead(額、前面)
confrontation
confrontation
対決
語源
- front- : L.fron=the forehead(額、前面)
effrontery
effrontery
厚かましさ、厚顔無恥 ◇ex-+赤面しない
語源
- front- : L.fron=the forehead(額、前面)
front
front
正面、ひたい、前面
語源
- front- : L.fron=the forehead(額、前面)
frontage
frontage
(建物の)正面、向き
語源
- front- : L.fron=the forehead(額、前面)
frontal
frontal
正面の、前面の、ひたいの
語源
- front- : L.fron=the forehead(額、前面)
frontispiece
frontispiece
(本の)口絵、(建物、装飾をほどこした)正面◇L.frons(=ひたい、前面)
語源
- front- : L.fron=the forehead(額、前面)