conditional vs datum

conditional

noun
  • An instruction that branches depending on the truth of a condition at that point. 

  • A conditional sentence; a statement that depends on a condition being true or false. 

  • A condition (a limitation or restriction). 

  • A statement that one sentence is true if another is. 

  • The conditional mood. 

adj
  • Limited by a condition. 

  • Stating that one sentence is true if another is. 

  • Expressing a condition or supposition. 

datum

noun
  • A premise from which conclusions are drawn. 

  • A floating reference point, or SLDMB, used to evaluate surface currents in a body of water. Often employed by coastal search and rescue. 

  • A fixed reference point or set of reference points which precisely define a system of measurement or a coordinate system. 

  • A fact known from direct observation. 

verb
  • To provide missing data points by using a mathematical model to extrapolate values that are outside the range of a measuring device. 

How often have the words conditional and datum occurred in a corpus of books? (source: Google Ngram Viewer )