2012年12月28日金曜日

Azimuths

az;i;muth pronunciation: function: noun etymology: middle english, from medieval latin azimut, from arabic al-sumūt the azimuth, plural of al-samt the waydate: 14th century 1 : an arc of the horizon measured between a fixed point (as true north) and the vertical circle passing through the center of an object usually in astronomy and navigation clockwise from the north point through 360 degrees2 : horizontal direction expressed as the angular distance between the direction of a fixed point (as the observer's heading) and the direction of the object— az;i;muth;al adjective — az;i;muth;al;ly adverb [azimuth illustration]

0 件のコメント:

コメントを投稿