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Meaning [1] Latin (or Neo-Latin) origin [1] a.c. before meals: ante cibum a.d., ad, AD right ear auris dextra a.m., am, AM morning: ante meridiem: nocte every night Omne Nocte a.s., as, AS left ear auris sinistra a.u., au, AU both ears together or each ear aures unitas or auris uterque b.d.s, bds, BDS 2 times a day bis die sumendum b.i.d., bid, BID
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).
Abbreviations of weights and measures are pronounced using the expansion of the unit (mg = "milligram") and chemical symbols using the chemical expansion (NaCl = "sodium chloride"). Some initialisms deriving from Latin may be pronounced either as letters ( qid = "cue eye dee") or using the English expansion ( qid = "four times a day").
An initialism is an abbreviation formed from some or all of the initial letters of words in a phrase. An acronym is sometimes considered to be an initialism that is pronounced as a word (e.g. NATO), as distinct from an initialism pronounced as a string of individual letters (e.g. "UN" for United Nations).
Although its most usual definition is that listed under "packet" (see link above), a sachet / ˈ s æ ʃ eɪ / can also mean a small scented cloth bag filled with herbs, potpourri, or aromatic ingredients; [1] [2] or a small porous bag or packet containing a material intended to interact with its atmosphere; for example, desiccants are usually packed in sachets which are then placed in larger ...
An abbreviation (from Latin brevis, meaning "short" [1]) is a shortened form of a word or phrase, by any method including shortening, contraction, initialism (which includes acronym) or crasis. An abbreviation may be a shortened form of a word, usually ended with a trailing period. For example: etc. is the usual abbreviation for et cetera.
The symbol "℞", sometimes transliterated as "R x" or "Rx", is recorded in 16th century manuscripts as an abbreviation of the late Latin instruction recipe, meaning 'receive'. [ 1 ] [ a ] Originally abbreviated Rc , the later convention of using a slash to indicate abbreviation resulted in an R with a straight stroke through its right "leg".
This list of style guide abbreviations provides the meanings of the abbreviations that are commonly used as short ways to refer to major style guides. They are used especially by editors communicating with other editors in manuscript queries, proof queries, marginalia , emails, message boards , and so on.