Dram (pengucapan Inggris alternatif drachm)[1][2]: C-6–C-7 [3] adalah sebuah satuan massa dalam sistem avoirdupois, dan satuan massa dan satuan volume dalam sistem apothecaries'.[2] Unit tersebut awalnya adalah koin dan massa pada zaman Yunani kuno.[4]
Referensi
- ↑ Simpson, John A.; Weiner, Edmund S.C., ed. (1989). "drachm, n.". Oxford English Dictionary (Edisi 2nd). Oxford, England: Oxford University Press. ISBN 978-0-19-861186-8. OCLC 50959346. Diakses tanggal 2 Juli 2012. Spelt drachm or dram.
{{cite encyclopedia}}: Pemeliharaan CS1: Tanggal diterjemahkan otomatis (link) Earlier version first published in New English Dictionary, 1897. - 1 2 National Institute of Standards and Technology (October 2011). Butcher, Tina; Cook, Steve; Crown, Linda et al. eds. "Appendix C – General Tables of Units of Measurement" (PDF). Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices. NIST Handbook. 44 (2012 ed.). Washington, D.C.: U.S. Department of Commerce, Technology Administration, National Institute of Standards and Technology. ISSN 0271-4027. OCLC OCLC58927093. Retrieved 1 July 2012.
- ↑ Boyer, Mary Jo (2009). "UNIT 2 Measurement Systems: The Apothecary System". Math for Nurses: A Pocket Guide to Dosage Calculation and Drug Preparation (Edisi 7th). Philadelphia, PA: Wolters Kluwer Health | Lippincott Williams & Wilkins. hlm. 108–9. ISBN 978-0-7817-6335-6. OCLC 181600928. Diakses tanggal 2 Juli 2012.
{{cite book}}: Pemeliharaan CS1: Tanggal diterjemahkan otomatis (link) - ↑ Simpson, John A.; Weiner, Edmund S.C., ed. (1989). "dram, n.". Oxford English Dictionary (Edisi 2nd). Oxford, England: Oxford University Press. ISBN 978-0-19-861186-8. OCLC 50959346. Diakses tanggal 2 Juli 2012.
{{cite encyclopedia}}: Pemeliharaan CS1: Tanggal diterjemahkan otomatis (link) Earlier version first published in New English Dictionary, 1897.
Pranala luar
- Appendix C – General Tables of Units of Measurement in Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices. NIST Handbook 44 (2012 ed.).
- Image Diarsipkan 2014-12-02 di Wayback Machine of Ancient Greek silver drachm with flying Pegasus, Acarnania, Leucas, c. 470–450 BCE