ab

verb, noun — 20 senses

ab

verbalso spelled AB, Ab

/æb/

Etymology Abbreviations.

1

Climbing, Hobbies, Lifestyle, Sports Informal To abseil.

  • I had a climbing rope in my pack, set up an abseil with it, and abbed down to him.1998, Climbing, numbers 178-180, page 22:
2

Abbreviation Abbreviation of abort.

AB

noun

/ˌeɪˈbiː/

13 senses
  1. 1Initialism of able seaman or able-bodied seaman.
  2. 2Initialism of afterburner.
  3. 3Initialism of aid to the blind.
  4. 4Initialism of airbase.
  5. 5Abbreviation of alkylbenzene.
  6. 6Initialism of antibody.
  7. 7Initialism of artificial breeding.
  8. 8Initialism of assembly bill.
  9. 9A blood type of the ABO system that has both blood…
  10. 10A person with this blood type.
  11. 11Initialism of adult baby.
  12. 12Initialism of asymmetric bars.
  13. 13A halal snack pack consisting of doner meat topped with…
1

Abbreviation, Initialism Initialism of able seaman or able-bodied seaman.

  • In this Ordinance, unless the context otherwise requires— A.B. means an able-bodied seaman […]Section 2(1), Merchant Shipping (Seafarers) Ordinance (Cap. 478)
2

Abbreviation, Initialism Initialism of afterburner.

3

Abbreviation, Initialism Initialism of aid to the blind.

4

Aeronautics, Aerospace, Aviation, Business, Engineering, Government, Military, Natural sciences, Physical sciences, Politics, War Abbreviation, Initialism Initialism of airbase.

5

Chemistry, Natural sciences, Organic chemistry, Physical sciences Abbreviation Abbreviation of alkylbenzene.

6

Medicine, Sciences Abbreviation, Initialism Initialism of antibody.

7

Abbreviation, Initialism Initialism of artificial breeding.

8

Government, Law, Politics Abbreviation, Initialism Initialism of assembly bill.

  • AB-89 would have required that participation in sex-segregated California school programs, athletic teams, and facility use be based on a pupil’s sex, not gender identity.2025 April 1, FOX26 News Staff, “Both transgender athlete bills fail in California”, in FOX26 News:
9

A blood type of the ABO system that has both blood antigens and may receive all blood types, and donate to AB.

10

A person with this blood type.

11

Abbreviation, Initialism Initialism of adult baby.

  • Well, he appears to be an AB. You know, an adult baby. It's a fetish in which the baby is taken care of in every way by a mommy or a daddy.2002 October 3, Dee Johnson, “Dead Again” (at 23:18–23:27 from the start), in Richard Thorpe, director, ER, season 9, episode 2, spoken by Michael Gallant (Sharif Atkins):
12

Abbreviation, Initialism Initialism of asymmetric bars.

13

Australia A halal snack pack consisting of doner meat topped with chips, tomato sauce, chilli sauce, barbecue sauce, and garlic sauce.

Related terms
AR, HB, HR, SB, SR

Ab

noun

Etymology The first letter of each of the two syllables of antibody.

1

Immunology, Medicine, Sciences Symbol Symbol for antibody.

ab

noun

Etymology Abbreviation of abscess.

1

Slang An abscess caused by injecting an illegal drug, usually heroin.

ab

noun

Etymology From the spelling books and the fact that it was the first of the letter combinations.

1

US The early stages of; the beginning process; the start.

Ab

noun

US /æb/

Etymology From the nineteenth-century Lepsius transcription, ȧb, of Egyptian jb (“heart, mind, intention”), ib:Z1.

1

Dated In Egyptian belief, the heart and will and conscience of a person, especially that of the recently deceased which proceeds to the afterlife and is weighed as evidence during his or her judgement.

2

Dated An Ancient Egyptian amulet in the shape of a heart (ib).

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — authors: page histories for ab, AB and Ab.