datum line

A baseline, or reference line, from which calculations or measurements are taken. See datum.

Aviation dictionary. 2014.

Look at other dictionaries:

  • Datum line — Datum Da tum, n.; pl. {Data}. [L. See 2d {Date}.] 1. Something given or admitted; a fact or principle granted; that upon which an inference or an argument is based; used chiefly in the plural. [1913 Webster] Any writer, therefore, who . . .… …   The Collaborative International Dictionary of English

  • datum line — datum line, datum level or datum plane noun The horizontal baseline from which heights and depths are measured • • • Main Entry: ↑datum …   Useful english dictionary

  • datum(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

  • datum line — n. datum level, reference line from which heights and depths are measured …   English contemporary dictionary

  • datum line — (also datum level) noun a standard of comparison or point of reference. ↘Surveying an assumed surface used as a reference for the measurement of heights and depths …   English new terms dictionary

  • datum line — noun A fixed, measurable line, used as a reference from which angular or linear measurements are taken …   Wiktionary

  • lateral datum line — An imaginary line through the aircraft’s center of gravity usually considered parallel to a line joining the wing tips …   Aviation dictionary

  • datum level — datum line, datum level or datum plane noun The horizontal baseline from which heights and depths are measured • • • Main Entry: ↑datum * * * datum level, datum line, datum plane, or …   Useful english dictionary

  • datum plane — datum line, datum level or datum plane noun The horizontal baseline from which heights and depths are measured • • • Main Entry: ↑datum * * * datum level, datum line, datum plane, or …   Useful english dictionary

  • datum point — noun A reference point against which measurements and comparisons can be made • • • Main Entry: ↑datum * * * datum level, datum line, datum plane, or datum point, a level, line, plane, or point, from which heights a …   Useful english dictionary

Share the article and excerpts

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

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.