1. identification particle a tiny particle of material that can be added to a product to indicate the source of manufacture
  2. weakly interacting massive particle a hypothetical subatomic particle of large mass that interacts weakly with ordinary matter through gravitation; postulated as a constituent of the dark matter of the universe
  3. idiosyncratic peculiar to the individual
  4. shipping articles a contract between crew and captain of a ship
  5. subatomic particle a body having finite mass and internal structure but negligible dimensions
  6. indefinite article a determiner that indicates nonspecific reference
  7. alpha particle a positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes
  8. tau-minus particle a lepton of very great mass
  9. articulate express or state clearly
  10. connecting rod a rod that transmits motion
  11. Canticle of Canticles an Old Testament book consisting of a collection of love poems traditionally attributed to Solomon but actually written much later
  12. definite article a determiner that indicates specificity of reference
  13. Richard Buckminster Fuller United States architect who invented the geodesic dome
  14. thalamocortical relating to or connecting the cortex and thalamus
  15. communicating artery any of three arteries in the brain that make up the circle of Willis
  16. kick the bucket die
  17. beta particle a high-speed electron or positron emitted in the decay of a radioactive isotope
  18. magazine article an article published in a magazine
  19. hypocritical professing feelings or virtues one does not have
  20. glucocorticoid a steroid hormone that is produced by the adrenal cortex of animals; affects functioning of gonads and has anti-inflammatory activity