What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Aa vs Ab - What's the difference?

aa | ab |

As a noun aa

is (l).

As a verb ab is

(first person singular present form of the negation verb).

aa

Translingual

(wikipedia AA)

Alternative forms

(Astrum Argenteum)

Symbol

(head)
  • A standard size of dry cell battery between AAA and C.
  • A bond rating.
  • A brassiere size.
  • A minor league in baseball, just below AAA.
    • ----

    ab

    English

    (wikipedia ab)

    Etymology 1

    Abbreviation of (abdominal) (muscles).

    Noun

    (en noun)
  • (informal) abdominal muscle.
  • * 2006 , H. Peter Steeves, The Things Themselves (page 75)
    • The bikinied models in most of the ESPN2 shows have abs . Many of the malnourished bikinied models in the commercials have visible rib cages. How did the two get conflated into a shared vision of beauty?
  • * 2010 , Bill Geiger, "6-pack Abs in 9 Weeks", Reps! 17:106
    • When possible, do your ab workout on a day when you're not training a major muscle group.
    Usage notes
    Most often used attributively. Substantive use is more common in the plural form (abs).

    Etymology 2

    Abbreviation of (abscess).

    Noun

    (en noun)
  • (slang) An abscess caused by injecting an illegal drug, usually heroin.

    • Etymology 3

    Abbreviations, see definitions.