order vs undirected graph

order

noun
  • The number of vertices in a graph. 

  • The state of being well arranged. 

  • A group of religious adherents, especially monks or nuns, set apart within their religion by adherence to a particular rule or set of principles. 

  • The overall power of the rate law of a chemical reaction, expressed as a polynomial function of concentrations of reactants and products. 

  • A number of things or persons arranged in a fixed or suitable place, or relative position; a rank; a row; a grade; especially, a rank or class in society; a distinct character, kind, or sort. 

  • A position in an arrangement, disposition, or sequence. 

  • A request for some product or service; a commission to purchase, sell, or supply goods. 

  • The disposition of a column and its component parts, and of the entablature resting upon it, in classical architecture; hence (since the column and entablature are the characteristic features of classical architecture) a style or manner of architectural design. 

  • The cardinality, or number of elements in a set, group, or other structure regardable as a set. 

  • The sequence in which a side’s batsmen bat; the batting order. 

  • A written direction to furnish someone with money or property; compare money order, postal order. 

  • An association of knights. 

  • Arrangement, disposition, or sequence. 

  • Any group of people with common interests. 

  • A decoration, awarded by a government, a dynastic house, or a religious body to an individual, usually for distinguished service to a nation or to humanity. 

  • A category in the classification of organisms, ranking below class and above family; a taxon at that rank. 

  • Conformity with law or decorum; freedom from disturbance; general tranquillity; public quiet. 

  • A command. 

  • An ecclesiastical rank or position, usually for the sake of ministry, (especially, when plural) holy orders. 

  • A power of polynomial function in an electronic circuit’s block, such as a filter, an amplifier, etc. 

  • For given group G and element g ∈ G, the smallest positive natural number n, if it exists, such that (using multiplicative notation), gⁿ = e, where e is the identity element of G; if no such number exists, the element is said to be of infinite order (or sometimes zero order). 

  • A partially ordered set. 

  • The relation on a partially ordered set that determines that it is, in fact, a partially ordered set. 

  • The sum of the exponents on the variables in a monomial, or the highest such among all monomials in a polynomial. 

verb
  • To arrange, set in proper order. 

  • To issue a command to. 

  • To set in some sort of order. 

  • To admit to holy orders; to ordain; to receive into the ranks of the ministry. 

  • To request some product or service; to secure by placing an order. 

undirected graph

noun
  • A graph in which the edges are not ordered, so the edge (a, b) is identical to the edge (b, a). 

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