SINCE 1828
ab
noun (1)
\ ˈab
\
\
Definition of ab
(Entry 1 of 6)
: an abdominal muscle
—usually used in plural
ab
abbreviation (1)Definition of ab (Entry 2 of 6)
about
Ab
noun (2)
\ ˈäb
, ˈäv
, ˈȯv
\
, ˈäv
, ˈȯv
\
Definition of Ab (Entry 3 of 6)
: 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
AB
noun (3)
\ ˈā-ˈbē
\
\
Definition of AB (Entry 4 of 6)
: 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
abbreviation (2)Definition of AB (Entry 5 of 6)
1
able seaman; able-bodied seaman
2
airborne
3
airman basic
4
Alberta
5
abort; abortion
6
[ New Latin artium baccalaureus ]
bachelor of arts
ab-
prefixDefinition of ab- (Entry 6 of 6)
: from : away : off
abaxial
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More Definitions for ab
ab
noun
English Language Learners Definition of ab
informal
: any one of the muscles that cover a person's stomach : an abdominal muscle
ab-
prefixKids Definition of ab-
: from : differing from
abnormal
AB
abbreviationKids Definition of AB
Alberta
ab
noun
\ ˈab
\
\
Medical Definition of ab
(Entry 1 of 4)
: abdominal
—usually used in plural
highly developed abs ab exercises
ab
abbreviationMedical Definition of ab (Entry 2 of 4)
1
or AB
abort; abortion
2
about
AB
noun
\ ˈā-ˈbē
\
\
Medical Definition of AB (Entry 3 of 4)
: 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
abbreviationMedical Definition of AB (Entry 4 of 4)
1
aid to blind
2
[ Latin artium baccalaureus ]
bachelor of arts
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Merriam-Webster unabridged
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