Wiktionary
n. (abbreviation of antibody English)(reference-book last = first = authorlink = coauthors = editor =Thomas, Clayton L. others = title =Taber's Encyclopedic Medical Dictionary origdate = origyear = 1940 origmonth = url = format = accessdate = accessyear = accessmonth = edition = 5th date = year =1993 month = publisher =F. A. Davis Company location =Philadelphia, PA language = id = doi = isbn =0-8036-8313-8 lccn = ol = pages =1 chapter = chapterurl = quote =) prep. (abbreviation of about English)(R:RHCD: page=1)(R:American Heritage 1971: page=1)
Usage examples of "ab.".
Israeli armored columns behind heavy tactical-artillery saturation push into Syria all the way to Abu Kenal in twelve hours: Damascus has firestorms.
Ingersoll is whistling and pretending to do the Charleston between Abu Kemal and Es Suweida, using his racquet like a hoofer's cane.