A Quick and Simple Dictionary

order

1. Noun.  (uncountable) Arrangement, disposition, sequence.
2. Noun.  (uncountable) The state of being well arranged.
3. Noun.  (countable) A command.
4. Noun.  (countable) A request for some product or service.
5. Noun.  (countable) A group of religious adherents, especially monks or nuns, set apart within their religion by adherence to a particular rule or set of principles; as, the Jesuit Order.
6. Noun.  (countable) A society of knights; as, the Order of the Garter, the Order of the Bath.
7. Noun.  (countable) 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.
8. Noun.  (context, countable) A rank in the classification of organisms, below class and above family; a taxon at that rank.
9. Noun.  (cricket) The sequence in which a side’s batsmen bat; the batting order.
10. Noun.  (electronics) a power of polynomial function in an electronic circuit’s block, such as a filter, an amplifier, etc.
11. Noun.  (chemistry) The overall power of the rate law of a chemical reaction, expressed as a polynomial function of concentrations of reactants and products.
12. Noun.  (mathematics) The cardinality, or number of elements in a set or related structure.
13. Noun.  (graph theory) The number of vertices in a graph.
14. Noun.  (context, order theory) A partially ordered set.
15. Noun.  (context, order theory) The relation on a partially ordered set that determines that it in fact a partically ordered set.
16. Noun.  (context, mathematics) The highest exponent appearing in a polynomial.
17. Verb.  To set in some sort of order.
18. Verb.  To arrange, set in proper order.
19. Verb.  To issue a command.
20. Verb.  To request some product or service.