ha

Dictionary.com Unabridged

[hah]
noun
the 26th letter of the Arabic alphabet, representing a glottal spirant consonant sound.

Origin:
< Arabic

ḥā

[khah]
noun
the sixth letter of the Arabic alphabet, representing a pharyngeal spirant consonant.

Origin:
< Arabic

Ha

Symbol, Chemistry, Physics.

ha

hectare; hectares.

h.a.

1.
Gunnery. high angle.
2.
in this year.

Origin:
(def 2) < Latin hōc annō

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
ha or hah1 (hɑː)
 
interj
1.  an exclamation expressing derision, triumph, surprise, etc, according to the intonation of the speaker
2.  (reiterated) a representation of the sound of laughter
 
hah or hah1
 
interj

ha2
 
symbol for
hectare

Ha
 
abbreviation for
Hawaii

h.a.
 
abbreviation for
hoc anno
 
[Latin: in this year]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

ha
c.1300, natural expression found in most European languages; in O.E., Gk., L., O.Fr. as ha ha. A ha-ha (1712), from Fr., was "an obstacle interrupting one's way sharply and disagreeably;" so called because it "surprizes ... and makes one cry Ah! Ah!" ["Le Blond's Gardening," 1712].
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Abbreviations & Acronyms
ha
  1. Hausa

  2. hectare

  3. hour angle

HA
  1. headache

  2. Hydrocephalus Association

  3. hyperalimentation

h.a.
Latin hoc anno (this year)
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

ha

a Bantu-speaking people belonging to the Interlacustrine Bantu ethnolinguistic family who live in western Tanzania bordering on Lake Tanganyika. Their country, which they call Buha, comprises grasslands and open woodlands. Agriculture is their primary economic activity. Sorghum, millet, corn (maize), cassava, yams, peanuts (groundnuts), and other crops were cultivated by hoe techniques until efforts were made by the Tanzanian government to introduce plow agriculture. Cattle are raised mostly in the southwestern grasslands of Buha; elsewhere there is less water and problems with tsetse flies. For the Ha, as with a number of peoples of East Africa, cattle are vital as the gifts that help establish social ties at marriage or on other occasions. Goats and other livestock are also raised

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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