datum vs gloss

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. 

gloss

noun
  • An extensive commentary on some text. 

  • A surface shine or luster. 

  • A superficially or deceptively attractive appearance. 

  • A brief explanatory note or translation of a foreign, archaic, technical, difficult, complex, or uncommon expression, inserted after the original, in the margin of a document, or between lines of a text. 

  • An interpretation by a court of specific point within a statute or case law. 

  • A glossary; a collection of such notes. 

verb
  • To give a gloss or sheen to. 

  • To make (something) attractive by deception 

  • Used in a phrasal verb: gloss over (“to cover up a mistake or crime, to treat something with less care than it deserves”). 

  • To add a gloss to (a text). 

  • To become shiny. 

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