orographicadj.

Brit.

/ˌɒrəˈɡrafɪk/,

/ˌɔːrəˈɡrafɪk/, U.S.

/ˌɔrəˈɡræfɪk/

Origin: Formed within English, by compounding. Etymons: oro- comb. form¹, -graphic comb. form.

Etymology: < oro- comb. form¹ + -graphic comb. form. Compare French orographique (1791), German orographisch (1791 or earlier). Compare earlier orographical adj.

1. Relating to the physical features and relative position of mountains; of or relating to orography.

ΘΚΠ

the world > the earth > earth sciences > geography > [adjective] > physical geography > topology or topography > mountains

orographical1803

orographic1841

1841 Jrnl. Royal Geogr. Soc. 11 p. lxxii From this..Parent Map, might be raised a large progeny..: financial maps, municipal maps, military maps, orographic, hydrographic, [etc.].

1888 J. D. Whitney Names & Places 85 It needs but little orographic study to find out that a single entirely isolated mountain is something of comparatively rare occurrence.

1928 N. Shaw Man. Meteorol. II. ii. 10 The contour of 200 metres is chosen because the orographic features below that level offer comparatively little obstruction to atmospheric currents.

1986 B. Lopez Arctic Dreams vi. 207 Floating, orographic landscapes—sections broken out of a mountain range.

2. Meteorology. Designating or relating to the effect of mountains on the direction of air currents; (esp. of precipitation) resulting from the action of mountains in forcing moist air upwards.

ΘΚΠ

the world > the earth > weather and the atmosphere > weather > precipitation or atmospheric moisture > [adjective] > specific type of

orographical1909

orographic1914

1914 H. L. Solyom in Symon's Meteorol. Mag. Apr. 53 Each of these currents..precipitates a great deal of its moisture as orographic rainfall.

1938 E. G. Bilham Climate Brit. Isles v. 101 Thunderstorm rains..do not often produce total amounts of rainfall..of the same order of magnitude as are observed when intense cyclonic rains are augmented by orographic action.

1976 B. Lecomber Dead Weight iii. 41 On the high ground, where the orographic clouds form and double or treble the rainfall, you find the jungles.

1996 Snow Country Oct. 223/1 Meteorologists say it's the result of ‘orographic lift’.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).

单词	orographic
释义	orographicadj. Brit. /ˌɒrəˈɡrafɪk/, /ˌɔːrəˈɡrafɪk/, U.S. /ˌɔrəˈɡræfɪk/ Origin: Formed within English, by compounding. Etymons: oro- comb. form¹, -graphic comb. form. Etymology: < oro- comb. form¹ + -graphic comb. form. Compare French orographique (1791), German orographisch (1791 or earlier). Compare earlier orographical adj. 1. Relating to the physical features and relative position of mountains; of or relating to orography. ΘΚΠ the world > the earth > earth sciences > geography > [adjective] > physical geography > topology or topography > mountains orographical1803 orographic1841 1841 Jrnl. Royal Geogr. Soc. 11 p. lxxii From this..Parent Map, might be raised a large progeny..: financial maps, municipal maps, military maps, orographic, hydrographic, [etc.]. 1888 J. D. Whitney Names & Places 85 It needs but little orographic study to find out that a single entirely isolated mountain is something of comparatively rare occurrence. 1928 N. Shaw Man. Meteorol. II. ii. 10 The contour of 200 metres is chosen because the orographic features below that level offer comparatively little obstruction to atmospheric currents. 1986 B. Lopez Arctic Dreams vi. 207 Floating, orographic landscapes—sections broken out of a mountain range. 2. Meteorology. Designating or relating to the effect of mountains on the direction of air currents; (esp. of precipitation) resulting from the action of mountains in forcing moist air upwards. ΘΚΠ the world > the earth > weather and the atmosphere > weather > precipitation or atmospheric moisture > [adjective] > specific type of orographical1909 orographic1914 1914 H. L. Solyom in Symon's Meteorol. Mag. Apr. 53 Each of these currents..precipitates a great deal of its moisture as orographic rainfall. 1938 E. G. Bilham Climate Brit. Isles v. 101 Thunderstorm rains..do not often produce total amounts of rainfall..of the same order of magnitude as are observed when intense cyclonic rains are augmented by orographic action. 1976 B. Lecomber Dead Weight iii. 41 On the high ground, where the orographic clouds form and double or treble the rainfall, you find the jungles. 1996 Snow Country Oct. 223/1 Meteorologists say it's the result of ‘orographic lift’. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < adj.1841
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