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ha

1 American  
[hah] / hɑ /
Or hah

interjection

  1. (used as an exclamation of surprise, interrogation, suspicion, triumph, etc.)


ha 2 American  

abbreviation

  1. hectare; hectares.


ḥā 3 American  
[khah] / xɑ /

noun

  1. the sixth letter of the Arabic alphabet, representing a pharyngeal spirant consonant.


4 American  
[hah] / hɑ /

noun

  1. the 26th letter of the Arabic alphabet, representing a glottal spirant consonant sound.


Ha 5 American  
Symbol, Chemistry, Physics.
  1. hahnium.


h.a. 6 American  

abbreviation

  1. Gunnery. high angle.

  2. in this year.


ha 1 British  
/ hɑː /

interjection

  1. an exclamation expressing derision, triumph, surprise, etc, according to the intonation of the speaker

  2. (reiterated) a representation of the sound of laughter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Ha 2 British  

abbreviation

  1. Hawaii

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ha 3 British  

symbol

  1. hectare

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

h.a. 4 British  

abbreviation

  1. hoc anno

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of ha1

Middle English word dating back to 1250–1300; ha-ha 1

Origin of ḥā3

From Arabic

Origin of 4

From Arabic

Origin of h.a.6

h.a. ( def. 2 ) < Latin hōc annō

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I sent them a big TV set with a note on it: “Ha ha!”

From The Wall Street Journal

Narcan, un atomizador nasal que puede revertir rápidamente una sobredosis de opioides, ha recibido la aprobación federal para ser vendido sin receta médica en Estados Unidos.

From New York Times

Pero si la persona no ha empezado a despertarse al cabo de dos o tres minutos, aplica la segunda dosis en la otra fosa nasal, sobre todo si sabes que podría haber consumido un opioide más fuerte, como el fentanilo.

From New York Times

Zhang Yimou’s “Cliff Walkers” and Yoo Ha’s slapstick “Pipeline” are two of five action movies to stream now.

From New York Times

“It was insane and kind of unexpected,” Ha said.

From Los Angeles Times