ABR.

The following table is compiled from various sources, across various languages. When English abbreviations or acronyms come from a non-English source, this is noted.
Entry	Source	Expression	Field
abr.	English	Abridgment	N/A
abr.	French	Abrégé	Language
Source: compiled by the editor, based on several corpora (additional references).

Commercial Usage: ABR.

Domain	Title
Books	Family, Sex and Marriage in England, Fifteen Hundred to Eighteen Hundred Abr. Ed. Illus. (reference) Rendezvous With Destiny: A History of Modern American Reform. Rev and Abr. Twenty-Fifth Anniversary Ed (With a New Preface) (reference) (more book examples)
Source: compiled by the editor from various references; see credits.

Non-Fiction Usage: ABR.

Subject	Topic	Quote
Health		All babies who fail, however, are rescreened by ABR. Babies who pass the ABR screen are discharged but should be flagged for rescreen at 3-6 months. (references)
Source: compiled by the editor from ICON Group International, Inc.; see credits.

Anagrams: ABR.

Scrabble® Enable2K-Verified Anagrams
	Words within the letters ".-a-b-r"
	-1 letter: arb, bar, bra.
	-2 letters: ab, ar, ba.
Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.

Alternative Orthography: ABR.

Hexadecimal (or equivalents, 770AD-1900s) (references)

Leonardo da Vinci (1452-1519; backwards) (references)

Binary Code (1918-1938, probably earlier) (references)

HTML Code (1990) (references)

ISO 10646 (1991-1993) (references)

Encryption (beginner's substitution cypher): (references)

Abbreviations & Acronyms: ABR.