Troy Ounce (Noun)
Meaning
A unit of apothecary weight equal to 480 grains or one twelfth of a troy pound.
Classification
Nouns denoting quantities and units of measure.
Examples
- The pharmacist carefully measured out the medication in troy ounces to ensure the correct dosage for the patient.
- A troy ounce of gold is approximately equal to 31.1 grams in the metric system of measurement.
- To convert a recipe from apothecary to avoirdupois weight, the baker needed to calculate the equivalent of a troy ounce in pounds or ounces.
- The ancient apothecary system used the troy ounce as a standard unit of measurement for weighing medicines and other substances.
- In the 19th century, pharmacists commonly used troy ounces to measure the weight of medicinal ingredients for compound prescriptions.