base line
1. (surveying) A surveyed line established with more than usual care, to which surveys are referred for coordination and correlation. 2. (photogrammetry) The line between the principal points of two consecutive vertical air photographs. It is usually measured on one photograph after the principal point of the other has been transferred. 3. (radio navigation systems) The shorter arc of the great circle joining two radio transmitting stations of a navigation system. 4. (triangulation) The side of one of a series of coordinated triangles the length of which is measured with prescribed accuracy and precision and from which lengths of the other triangle sides are obtained by computation.

Military dictionary. 2000.

Look at other dictionaries:

  • Base line — Base Base, n. [F. base, L. basis, fr. Gr. ba sis a stepping, step, a base, pedestal, fr. bai nein to go, step, akin to E. come. Cf. {Basis}, and see {Come}.] 1. The bottom of anything, considered as its support, or that on which something rests… …   The Collaborative International Dictionary of English

  • base|line — base line, or base|line «BAYS LYN», noun. 1. a line used as a base, from which operations are carried on, or on which they depend or rest. 2. a) Baseball. the unmarked lane or path between one base and the next. A player must keep to it while… …   Useful english dictionary

  • base line — [bās′līn΄] 1. a) a line serving as a base b) any starting or reference point, figure, amount, level, etc. with which others can be measured or compared c) Surveying a horizontal line measured with special accuracy to provide a base for survey by… …   Universalium

  • base line — [bās′līn΄] 1. a) a line serving as a base b) any starting or reference point, figure, amount, level, etc. with which others can be measured or compared c) Surveying a horizontal line measured with special accuracy to provide a base for survey by… …   English World dictionary

  • base line — Survey line used in the government survey to establish township lines. Horizontal elevation line used as a centerline in a highway survey. Dictionary from West s Encyclopedia of American Law. 2005. base line …   Law dictionary

  • base-line — ● base line, base lines nom féminin (mot anglais) Slogan publicitaire placé en bas d une affiche ou d une annonce de presse, ou à la fin d un spot de publicité …   Encyclopédie Universelle

  • base line — noun Etymology: base (I) : a main line taken as or representing a base: as a. : base 6b; specifically : a line extending east and west from a chosen reference point on a principal meridian and forming with the meridian a pair of coordinate axes… …   Useful english dictionary

  • base(line) — pagrindinė linija statusas T sritis chemija apibrėžtis Grafinės priklausomybės linija, kai sistemoje nevyksta pokyčiai. atitikmenys: angl. base(line); datum(line) rus. базовая линия …   Chemijos terminų aiškinamasis žodynas

  • base line — bazinė linija statusas T sritis informatika apibrėžtis Įsivaizduojama linija spausdintame arba ekrane rodomame tekste, į kurią remiasi rašmenų pagrindai. Iliustraciją žr. priede. Žemiau šios linijos patenka raidžių nosinės ir kitos išsikišančios… …   Enciklopedinis kompiuterijos žodynas

  • base line — n. starting line; (Printing) imaginary line on which the bottoms of letters sit (excluding the tails on g, y, p, q, and j); line which marks each end of the court (Tennis); area in which a runner runs from base to base on a baseball field… …   English contemporary dictionary

  • base·line — /ˈbeısˌlaın/ noun, pl lines [count] 1 technical : information that is used as a starting point by which to compare other information The experiment is meant only to provide a baseline for other studies. often used before another noun baseline… …   Useful english dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”