Dram (pengucapan Inggris alternatif drachm)massa dalam sistem avoirdupois, dan satuan massa dan satuan volume dalam sistem apothecaries'. Unit tersebut awalnya adalah koin dan massa pada zaman Yunani kuno.
adalah sebuah satuanReferensi sunting
- Simpson, John A.; Weiner, Edmund S.C., ed. (1989). "drachm, n.". Oxford English Dictionary (edisi ke-2nd). Oxford, England: Oxford University Press. ISBN 978-0-19-861186-8. OCLC 50959346. Diakses tanggal 2 July 2012.
Spelt drachm or dram.
Earlier version first published in New English Dictionary, 1897. - ^ 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 OCLC 58927093. 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 ke-7th). Philadelphia, PA: Wolters Kluwer Health | Lippincott Williams & Wilkins. hlm. 108–9. ISBN 978-0-7817-6335-6. OCLC 181600928. Diakses tanggal 2 July 2012.
- Kesalahan pengutipan: Tag
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tidak sah; tidak ditemukan teks untuk ref bernamaOEDdram
Pranala luar sunting
Lihat entri dram di kamus bebas Wiktionary.
- 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 2014-12-02 di Wayback Machine. of Ancient Greek silver drachm with flying Pegasus, Acarnania, Leucas, c. 470–450 BCE