AB

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does AB mean? 

• AB (noun)
  The noun AB has 4 senses:

1. a bachelor's degree in arts and sciences

2. the eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August)

3. the muscles of the abdomen

4. the blood group whose red cells carry both the A and B antigens

  Familiarity information: AB used as a noun is uncommon.

 Dictionary entry details 

• AB (noun)

Sense 1

Meaning:

A bachelor's degree in arts and sciences

Classified under:

Nouns denoting communicative processes and contents

Synonyms:

AB; Artium Baccalaurens; BA; Bachelor of Arts

Hypernyms ("AB" is a kind of...):

baccalaureate; bachelor's degree (an academic degree conferred on someone who has successfully completed undergraduate studies)

Sense 2

Meaning:

The eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August)

Classified under:

Nouns denoting time and temporal relations

Synonyms:

Ab; Av

Hypernyms ("Ab" is a kind of...):

Jewish calendar month (a month in the Jewish calendar)

Holonyms ("Ab" is a part of...):

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)

Sense 3

Meaning:

The muscles of the abdomen

Classified under:

Nouns denoting body parts

Synonyms:

ab; abdominal; abdominal muscle

Hypernyms ("ab" is a kind of...):

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)

Hyponyms (each of the following is a kind of "ab"):

abdominal external oblique muscle; external oblique muscle; musculus obliquus externus abdominis; oblique (a diagonally arranged abdominal muscle on either side of the torso)

musculus transversalis abdominis; transverse muscle of abdomen; transversus abdominis; transversus abdominis muscle (a flat muscle with transverse fibers that forms the anterior and lateral walls of the abdominal cavity)

Holonyms ("ab" is a part of...):

abdomen; belly; stomach; venter (the region of the body of a vertebrate between the thorax and the pelvis)

Sense 4

Meaning:

The blood group whose red cells carry both the A and B antigens

Classified under:

Nouns denoting body parts

Synonyms:

AB; group AB; type AB

Hypernyms ("AB" is a kind of...):

blood group; blood type (human blood cells (usually just the red blood cells) that have the same antigens)

 Context examples 

Monoclonal Antibody B72.3F(ab) is generally not immunoreactive with normal adult tissues, but may crossreact with normal salivary gland ducts, normal post-ovulatory endometria, some benign ovarian tumors, and fetal gastrointestinal tissues.

(Monoclonal Antibody B72.3F(ab), NCI Thesaurus)

MOAB B6.2 F (AB') exhibits improved tumor localization and a shorter half-life than the complete antibody.

(Monoclonal Antibody B6.2 F(ab'), NCI Thesaurus)

Monoclonal antibody 1.4 F(ab) has been used as a control in tests of specific monoclonal antibodies to cancers such as melanoma.

(Monoclonal Antibody 1.4 F(ab), NCI Thesaurus)

The F(ab)2 fragment of Me1-14, a murine IgG2a monoclonal antibody directed against proteoglycan chondroitin sulfate-associated protein expressed by gliomas and melanomas.

(Monoclonal Antibody Me1-14 F(ab')2, NCI Thesaurus)

The F(ab)2 fragment of monoclonal antibody (MoAb) MX35 that recognizes a 95 kD glycoprotein with homogeneous distribution on 80% of ovarian tumor specimens.

(Monoclonal Antibody MX35 F(ab')2, NCI Thesaurus)

PDGF is active to a differing degree depending on which dimer is formed (AA, AB, or BB).

(PDGF Signaling Pathway, NCI Thesaurus/BIOCARTA)

AA, BB, and AB, dimers bind to PDGF receptor and elicit a variety of cellular responses.

(Oncogene SIS, NCI Thesaurus)

For their study, researchers neglected the gravitational influence of this planet and added a hypothetical water-covered, Earth-size planet around the Kepler 35 AB stars.

(Earth-Sized 'Tatooine' Planets Could Be Habitable, NASA)

A type AB thymoma which is characterized by an aggressive clinical course (capsular invasion, infiltration of the surrounding tissues) and can metastasize.

(Malignant Type AB Thymoma, NCI Thesaurus)

People with blood type AB can accept blood from all donors and are called universal recipients.

(ABO Blood Group, NCI Dictionary)