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Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. n. Lava having a rough surface.

Century Dictionary and Cyclopedia

  1. In recipes, an abbreviation equivalent, when used after the names of several ingredients, to ‘of each one take.’
  2. n. A form of cooled lava-stream of which the surface consists of jagged and irregular blocks. The blocks represent the chilled and solidified crust of a molten mass, and were formed during a pause. When the onward movement was resumed the frozen cakes were piled one upon another. Contrasted with pahoehoe, which refers to smooth or fluted surfaces. Both words are of Hawaiian origin, but are occasionally used in English writings on volcanoes. C. E. Dutton, Ann. Rep. Director U. S. Geol. Survey 1884, p. 95.
  3. n. An abbreviation of Assistant Adjutant-General.

Wiktionary

  1. n. A form of lava flow associated with Hawaiian-type volcanoes, consisting of basaltic rock, usually dark-colored with a jagged and loose, clinkery surface. Compare pahoehoe.
  2. n. A form of lava flow associated with Hawaiian-type volcanoes, consisting of basaltic rock, usually dark-colored with a jagged and loose, clinkery surface. Compare pahoehoe.

GNU Webster's 1913

  1. n. acronym for associate in arts, a college degree granted for successful completion of a two-year course of study in arts or general topics.
  2. n. Alcoholics Anonymous.

WordNet 3.0

  1. n. an international organization that provides a support group for persons trying to overcome alcoholism
  2. n. an associate degree in arts
  3. n. a dry form of lava resembling clinkers

Etymologies

  1. Hawaiian 'a'ā, to burn, aa.

Examples

  • “Well, in Norwegian aa - å, and is sorted last, while in English aa are just double a and comes before ab.”

    The obvious lack of a rubber chicken

  • “The three companies of the 16th Battalion camped in aa triangular formation with battalion headquarters located in the center and approximately 10 minutes 'walk from each company.”

    DEPARTMENT OF DEFENSE INTELLIGENCE REPORT

  • “Worse, with more than two copies of some genes, each as likely as the next to have SNPs, some of those no doubt resulting in aa substitutions, a few of which may present alternative binding functionality in configurative operation, any or all modifiable post-translation, each coordinated with potentially operative expression suites with a number of other genes with other forms and functions, it doesn't look much like we'll ever be able to pin all THAT down either.”

    Demarcation as Politics

  • “We'll post the attributes of an invalid user with screen name aa/noyes and email address anoyes@example, com.”

    Recently Uploaded Slideshows

  • “Then shall we be worthy of bearing the same name aa those heroes who planted their victorious standards on the banks of the river Jordan, with the same hands with which they guided tiie plough aod, the shuttle.”

    Internet Archive: The Monthly mirror: reflecting men and manners; with strictures on their epitome, the stage ..

  • “nenu ralchina chemata chukkala avirera/ aa akasaniko neelibottuni diddindee….”

    Untouchable Spring .... అంటరాని వసంతం

  • “To get a sense of language patterns of the era, Dr. Smithline studied the 80,000 letter-characters contained in Jefferson's State of the Union addresses, and counted the frequency of occurrences of "aa," "ab," "ac," through "zz.”

    The Wall Street Journal: Two Centuries On, a Cryptologist

  • “Nobody showcases a word with an "aa" like Schlemihl Lefty.”

    Archive 2007-02-01

  • “The "aa" means that you hold the vowel sound for two beats as opposed to one.”

    Arabic for Dummies

  • “In English transcription, the long fatHa form is written as "aa," such as in kitaab (kee-taab; book) or baab (bahb; door).”

    Arabic for Dummies

Show 10 more examples...

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Lists

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Comments

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  • hernesheir This single-vowel word should be tagged "monovolcanic" as well as monovocalic. Jan 1, 2011

  • raven_in_the_woods I believe it was The Professor and the Madman that first tossed this word at me, but having the meaning "a small, limpid stream." I think. Leastways, I'm good with it. Jul 30, 2010

  • hernesheir Genus name of an orchid described in 1854. This name, presumably, would be among the first in a telephone directory. Sep 18, 2009

  • madmouth ought to be a'a', b/c of the glottal stops. May 21, 2009

  • mollusque lavalava Mar 29, 2008

  • fbharjo baasic lava???!!! Mar 29, 2008

  • thomas.purves Sharp pointy hardened lava rock. It's Onomatopoeia! - Hawaiian from the involuntary sound you make when trying to walk across it in bare feet, pronounced : "Ah!Ah!" Dec 9, 2006

  • thomas.purves A type of lava surface in which the surface was too stiff to flow well, and so broke up into fragments. It is characterised by broken material which can vary from simple lumps to very sharp prickly fragments. It grades to pahoehoe Dec 9, 2006

  • oroboros great word for scrabble players to know Dec 1, 2006

‘aa’ has been looked up 6810 times, loved by 2 people, added to 46 lists, commented on 9 times, and has a Scrabble score of 2. It's also a palindrome.