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English-speaking countries also used a system of units of fluid measure, or in modern terminology volume units, based on the apothecaries' system. Originally, the terms and symbols used to describe the volume measurements of liquids were the same as or similar to those used to describe weight measurements of solids [33] (for example, the pound by weight and the fluid pint were both referred to ...
In the apothecaries' system, which was widely used in the United States until the middle of the 20th century, [15] the dram is the mass of 1 ⁄ 96 pounds apothecaries (lb ap), or 1 ⁄ 8 ounces apothecaries (oz ap or ℥) [5]: C-7 (the pound apothecaries and ounce apothecaries are equal to the troy pound (lb t), and troy ounce (oz t ...
every, per q.1 h, q.1° quaque 1 hora: every 1 hour (can replace 1 with other numbers) q4PM at 4:00 pm (can replace 4 with other numbers) mistaken to mean every 4 hours q.a.d. quaque alternis die: every other day q.a.m. quaque die ante meridiem: every morning (every day before noon) q.d./q.1.d. quaque die: every day
The US fluid ounce is based on the US gallon, which in turn is based on the wine gallon of 231 cubic inches that was used in the United Kingdom prior to 1824. With the adoption of the international inch, the US fluid ounce became ⁄128 gal × 231 in 3 /gal × (2.54 cm/in) 3 = 29.5735295625 mL exactly, or about 4% larger than the imperial unit.
The minim was defined as one 60th of a fluid dram or one 480th of a fluid ounce. [4] This is equal to about 61.6 μL (U.S.) or 59.2 μL (Britain). Pharmacists have since moved to metric measurements, with a drop being rounded to exactly 0.05 mL (50 μL, that is, 20 drops per milliliter). In hospitals, intravenous tubing is used to deliver ...
The National Academy of Science, Engineering and Medicine recommends an average daily water intake of about 125 ounces for men and about 91 ounces for women. If you’re not filling up a water ...
Their 2023 report states that 400 milligrams a day is “an amount ... amounts to 24 ounces of soda or one eight-ounce cup of coffee. ... caffeine can keep you alert for 8-10 hours. No one wants ...
1 dL = 100 mL DNA deoxyribonucleic acid ... oz ounce(s) P phosphorus; pressure PAco2 ... partial thromboplastin time q every qid 4 times a day RA rheumatoid arthritis