Dr

DR reaction of degeneration.

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DR

abbr.

reaction of degeneration

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dr

abbr.

dram

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dr.,

1 abbreviation for drachm. See dram.

2 abbreviation for dram.

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Dr.,

abbreviation for doctor.

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doctor [dok´ter]

1. a holder of a diploma of the highest degree from a university, qualified as a specialist in a particular field of knowledge.

2. a practitioner of the healing arts, as one graduated from a college of medicine, osteopathy, chiropractic, optometry, podiatry, dentistry, or veterinary medicine, and licensed to practice.

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dram (ʒ) (dr) [dram]

a unit of weight which, in the apothecaries' system, equals 60 grains, or ⅛ounce; in the avoirdupois system it equals 27.34 grains, or ¹⁄₁₆ounce.

fluid dram (fl dr) a unit of capacity (liquid measure) of the apothecaries' system, being 60 minims, or the equivalent of 3.697 mL. In Great Britain, it is the imperial fluid dram and is equivalent to 3.55 mL. See also Table of Weights and Measures in the Appendix.