array vs partially ordered set

array

noun
  • An orderly series, arrangement or sequence. 

  • A ranking or setting forth in order, by the proper officer, of a jury as impanelled in a cause; the panel itself; or the whole body of jurors summoned to attend the court. 

  • A militia. 

  • Clothing and ornamentation. 

  • A microarray. 

  • A group of hedgehogs. 

  • A collection laid out to be viewed in full. 

  • Common name for matrix. 

  • Order; a regular and imposing arrangement; disposition in regular lines; hence, order of battle. 

  • A large collection. 

  • Any of various data structures designed to hold multiple elements of the same type; especially, a data structure that holds these elements in adjacent memory locations so that they may be retrieved using numeric indices. 

verb
  • To lay out in an orderly arrangement; to deploy or marshal. 

  • To set in order, as a jury, for the trial of a cause; that is, to call them one at a time. 

  • To clothe and ornament; to adorn or attire. 

partially ordered set

noun
  • The ordered pair comprising a set and its partial order. 

  • A set that has a given, elsewhere specified partial order. 

How often have the words array and partially ordered set occurred in a corpus of books? (source: Google Ngram Viewer )