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The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. (from Latin ante meridiem, translating to "before midday ...
The main discussion of these abbreviations in the context of drug prescriptions and other medical prescriptions is at List of abbreviations used in medical prescriptions. Some of these abbreviations are best not used, as marked and explained here.
In traditional American usage, dates are written in the month–day–year order (e.g. October 1, 2024) with a comma before and after the year if it is not at the end of a sentence [2] and time in 12-hour notation (12:53 pm). International date and time formats typically follow the ISO 8601 format (2024-10-01) for all-numeric dates, [3] write ...
ISO 3166-1 alpha-2 codes are two-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard [1] published by the International Organization for Standardization (ISO), to represent countries, dependent territories, and special areas of geographical interest. They are the most widely used of the country codes published by ISO (the ...
This is a list of abbreviations used in medical prescriptions, including hospital orders (the patient-directed part of which is referred to as sig codes). This list does not include abbreviations for pharmaceuticals or drug name suffixes such as CD, CR, ER, XT (See Time release technology § List of abbreviations for those). Capitalisation and the use of full stops are a matter of style. In ...
PM (BBC Radio 4), UK. PM Magazine, an American TV news program (1976–1991). PM (newspaper), US (1940–1948) PM Press, an American publishing company. Pocket Mortys, a role-playing video game. Project Mayhem, a fictional conspiracy in the book and film Fight Club. PM, a band with drummer Carl Palmer.
This is a list of heritage NATO country codes. Up to and including the seventh edition of STANAG 1059, these were two-letter codes (digrams). The eighth edition, promulgated 19 February 2004, and effective 1 April 2004, replaced all codes with new ones based on the ISO 3166-1 alpha-2 codes. Additional codes cover gaps in the ISO coverage, deal ...
Phase modulation (PM) is a modulation pattern for conditioning communication signals for transmission. It encodes a message signal as variations in the instantaneous phase of a carrier wave.