Also found in: Thesaurus, Medical, Financial, Acronyms, Idioms, Encyclopedia, Wikipedia.
Ab(äb, äv, ôv)
Variant of Av.
One of the four major blood groups in the ABO system. Individuals with this blood group have both A and B antigens on the surface of their red blood cells, and no antibodies for A and B in their blood serum.
a. able-bodied seaman
b. able seaman
2. airman basic
4. Latin Artium Baccalaureus (Bachelor of Arts)
An abdominal muscle: Sit-ups help strengthen the abs.
(Judaism) a variant of Av
1. (Nautical Terms) Also: a.b. able-bodied seaman
2. (Education) (in the US) Bachelor of Arts
3. (Placename) (esp in postal addresses) Alberta (Canada)
(Biochemistry) a human blood type of the ABO group, containing both the A antigen and the B antigen
2. Airman Basic.
a major blood group. Compare ABO system.
a prefix occurring in verbs or verbal derivatives borrowed from Latin, where it meant “off, away”: abhor; abjure; abrade. Compare a- 4, abs-.
[< Latin, prefixal use of ab from, away; see of1]
1. able-bodied seaman.
2. Bachelor of Arts.
[< New Latin, Medieval Latin Artium Baccalaureus]
Switch to new thesaurus
|Noun||1.||AB - a bachelor's degree in arts and sciences|
|2.||Ab - the eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August)|
Hebrew calendar, Jewish calendar - (Judaism) the calendar used by the Jews; dates from 3761 BC (the assumed date of the Creation of the world); a lunar year of 354 days is adjusted to the solar year by periodic leap years
Jewish calendar month - a month in the Jewish calendar
|3.||ab - the muscles of the abdomen |
skeletal muscle, striated muscle - a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes
abdomen, belly, stomach, venter - the region of the body of a vertebrate between the thorax and the pelvis
abdominal external oblique muscle, external oblique muscle, musculus obliquus externus abdominis, oblique - a diagonally arranged abdominal muscle on either side of the torso
|4.||AB - the blood group whose red cells carry both the A and B antigens|