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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).
Formal charges in ozone and the nitrate anion. In chemistry, a formal charge (F.C. or q*), in the covalent view of chemical bonding, is the hypothetical charge assigned to an atom in a molecule, assuming that electrons in all chemical bonds are shared equally between atoms, regardless of relative electronegativity.
The mean global tropospheric concentration of NF 3 has risen from about 0.02 ppt (parts per trillion, dry air mole fraction) in 1980, to 0.86 ppt in 2011, with a rate of increase of 0.095 ppt yr −1, or about 11% per year, and an interhemispheric gradient that is consistent with emissions occurring overwhelmingly in the Northern Hemisphere, as ...
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
Pronunciation follows convention outside the medical field, in which acronyms are generally pronounced as if they were a word (JAMA, SIDS), initialisms are generally pronounced as individual letters (DNA, SSRI), and abbreviations generally use the expansion (soln. = "solution", sup. = "superior").
Meaning c̅ (c with an overbar) with (from Latin cum) means with C: cytosine cervical vertebrae: C1: atlas – first cervical vertebra of the spine C2: axis – second cervical vertebra of the spine CA: carcinoma cancer: Ca: calcium carcinoma cancer: CAA: coronary artery aneurysm: c/b: complicated by: CABG: coronary artery bypass graft ...
Meaning Nφ: Neutrophil: Na: sodium (from Latin natrium) NA: negative appendectomy NAAT: Nucleic Acid Amplification Test: NABS: normoactive bowel sounds NAC: n-acetyl cysteine NaCl sodium chloride (saline) NAD: no abnormality detected no apparent distress no appreciable disease (and many variations of the above) NAD + nicotinamide adenine ...
NF3 may refer to: Nitrogen trifluoride (NF 3), a colorless gas used as an etchant; Zukertort Opening, an opening move in chess (1. Nf3) This page was last edited on 3 ...