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ab

1 of 6

noun (1)

: an abdominal muscle
usually used in plural

ab

2 of 6

abbreviation (1)

about
: the 11th month of the civil year or the 5th month of the ecclesiastical year in the Jewish calendar see Months of the Principal Calendars Table
: the one of the four ABO blood groups characterized by the presence of antigens designated by the letters A and B and by the absence of antibodies against these antigens

AB

5 of 6

abbreviation (2)

1
able seaman; able-bodied seaman
2
abort; abortion
3
airborne
4
airman basic
5
Alberta
6
[New Latin artium baccalaureus] bachelor of arts

ab-

6 of 6

prefix

: from : away : off
abaxial

Word History

Etymology

Noun (2)

Hebrew Ābh

Prefix

Middle English, from Anglo-French & Latin; Anglo-French, from Latin ab-, abs-, a-, from ab, a — more at of

First Known Use

Noun (1)

1956, in the meaning defined above

Noun (2)

circa 1771, in the meaning defined above

Noun (3)

1927, in the meaning defined above

Time Traveler
The first known use of ab was circa 1771

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