[1] : The Collaborative International Dictionary of English v.0.48

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 . . . furnishes us with
            data sufficient to determine the time in which he
            wrote.                                --priestley.
      1913 webster

   2. a single piece of information; a fact; especially a piece
      of information obtained by observation or experiment; --
      used mostly in the plural.
      pjc

   3. pl. math. the quantities or relations which are assumed
      to be given in any problem.
      1913 webster

   4. surveying a point, line, or level surface used as a
      reference in measuring elevations. --rhud
      pjc

   datum line surv., the horizontal or base line, from which
      the heights of points are reckoned or measured, as in the
      plan of a railway, etc.
      1913 webster
see also:
data date datum line 

Bar Line >> B Words
Bar Line, definition of term: Bar Line
bar+line_pag1.html

Air Line >> A Words
Air Line, definition of term: Air Line
air+line_pag1.html

Agate Line >> A Words
Agate Line, definition of term: Agate Line
agate+line_pag1.html

Aclinic Line >> A Words
Aclinic Line, definition of term: Aclinic Line
aclinic+line_pag1.html

http://www.datum-line.co.uk/, score=100, date indexed=October 5, 2005, 10:47 pm

Datum line - Definition of Datum line by Webster's Online Dictionary
...Datum line explanation. Definition of Datum line is provided by 1913 Webster's Dictionary, WordNet Lexical Database, Dictionary of..
http://www.webster-dictionary.org/definition/Datum%20line, score=17, date indexed=July 13, 2005, 8:03 pm

Untitled
...Called a datum line, both block Z and W produce a specific tilting force about the datum line as.....This new CG is located 10 feet past the datum or 5 feet past block Z (similar to block Q.....When the total moment about the datum line of both blocks (Z+W) is divided by the total weight..
http://www.rodmachado.com/Updates/Ch-16-Update/Ch-16-Update.htm, score=14, date indexed=February 18, 2005, 5:37 pm

Wood/epoxy
...Dimensions are taken from a DATUM LINE shown in red above, which is a line drawn at 90 degrees.....Dimensions shown vertically in BLACK are distances from the Datum Line to the top of the side of.....Dimensons shown vertically in RED are distances from the Datum Line to the bottom of the side of..
http://www.optiworld.org/epoxy10.html, score=14, date indexed=June 16, 2005, 4:38 am

Incidence Angle/Datum line
...Where is a Planes datum line drawn?In order to measure a wings incidence angle and downthrust.....The most useful reference for models is to choose a datum line which sets the tailplane at zero.....It is just that if for instance I were to draw my datum line out, say 5 degrees lower than where..
http://www.rcmodelflyers.co.uk/4um/index.php?topic=18871.new, score=13, date indexed=July 24, 2005, 12:49 pm

Datum line - Definition of Datum line by Webster Dictionary
...Includes dictionary browser, morphological search by meaning of Datum line, thesaurus, related.....Definition of Datum line.. (Surv.) the horizontal or base line, from which the heights of points are reckoned or measured, as in the.....Datum line - Definition of Datum line is presented by 1913 online Webster's Dictionary..
http://www.webster-dictionary.net/definition/Datum%20line, score=12, date indexed=January 24, 2005, 4:56 pm

Page 1 2 3 Next