What is the meaning of dose?

noun

• A measured portion of medicine taken at any one time.
  • synonyms: dosage
• The quantity of an active agent (substance or radiation) taken in or absorbed at any one time.
  • synonyms: dosage
• A communicable infection transmitted by sexual intercourse or genital contact.
  • synonyms: venereal disease, VD, venereal infection, social disease, Cupid's itch, Cupid's disease, Venus's curse, sexually transmitted disease, STD
• Street name for lysergic acid diethylamide.
  • synonyms: acid, back breaker, battery-acid, dot, Elvis, loony toons, Lucy in the sky with diamonds, pane, superman, window pane, Zen

verb

• Treat with an agent; add (an agent) to.
  • usage: "The ray dosed the paint"
• Administer a drug to.
  • usage: "They drugged the kidnapped tourist"
  • synonyms: drug