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A '''wa''' ({{lang-th|วา}}, also ''waa'' or ''wah'', abbreviated {{lang|th|ว.}}) is a unit of [[length]], equal to 2 [[metre]]s (2 m) or 4 [[:th:ศอก_(หน่วยความยาวไทย)|sok]] ({{lang|th|ศอก}},) and is very nearly one [[fathom]]. Its current size is precisely derived from the [[metre]], but is neither part of nor recognized by the modern [[metric system]], the [[SI|International System]] (SI).
'''Wa''' ({{langx|th|วา}} {{IPA|th|wāː|}}, also ''waa'' or ''wah'', abbreviated {{lang|th|ว.}}) is a unit of [[length]], equal to two [[metre]]s (2 m) or four [[:th:ศอก (หน่วยความยาวไทย)|sok]] ({{lang|th|ศอก}}.) ''Wa'' as a [[verb]] means to outstretch (one's) arms to both sides, which relates to the [[fathom]]'s distance between the fingertips of a [[Man (word)|man]]'s outstretched arms. The 1833 [[Siamese-American Treaty of Amity and Commerce]], reads, "[The] Siamese fathom...being computed to contain 78 English or American inches, corresponding to 96 [[:th:นิ้ว (หน่วยความยาวไทย)|Siamese inch]]es."<ref>[http://bangkok.usembassy.gov/relation/175usth/timeline-of-u/spotlight-on-treaty-of-amity.html Spotlight on Treaty of Amity] {{webarchive |url=https://web.archive.org/web/20120503124225/http://bangkok.usembassy.gov/relation/175usth/timeline-of-u/spotlight-on-treaty-of-amity.html |date=May 3, 2012 }}</ref> The length then would have been equivalent to a modern 1.981 metres.<ref>[http://www.convert-me.com/en/convert/length Convert me]</ref> Since [[Metrication#Status by country/region|conversion to the metric system in 1923]],<ref>{{cite web
|url= http://www.nwmc.go.th/history_eng.html |title= History of weights and measures in Thailand.htm |author= |date= April 2004 |publisher= Northern Weights and Measures Center (Thailand) |accessdate= September 26, 2011|quote=..."Weights and Measures Act, [[Thai_solar_calendar#Buddhist_Era|B.E.]] 2466" [1923 CE]....[superseded by ] "Weights and Measures Act, B.E. 2542"...''Government Gazette'', Royal Decree Version, Volume 116, Part 29 a, dated 21 April 1999...effective since 18 October 1999}}</ref><ref>{{cite web |url= http://nwmc.go.th/his1.html |script-title=th:ประวัติชั่งตวงวัดไทย|author= |date= April 2004 |publisher= Northern Weights and Measures Center (Thailand) |language= Thai|accessdate= September 26, 2011|quote= }}</ref> the length as derived from the [[metre]] is precisely two metres, but the unit is neither part of nor recognized by the modern [[SI|International metric system]] (SI).


The metre and derived units like [[kilometre]] are common in [[Thailand]], but ''wa'' still occurs often as an alternative for [[tarangwa]], 'square wa' (abbreviated {{lang|th|ตร.ว.}} or {{lang|th|ว๒}},) a unit of [[area]]. As a verb, ''wa'' means to outstretch (one's) arms to both sides.
'''Wa''' also occurs as a [[colloquialism]] for "square wa" ([[tarang wa]]) a unit of [[area]] abbreviated {{lang|th|ตร.ว.}} or {{lang|th|ว<sup>๒</sup>}}.)


As for many terms normally written in [[Thai alphabet]], transliteration into English language caused spelling variants ''waa'' and '' wah''.
As with many terms normally written in the [[Thai alphabet]], [[romanization of Thai]] causes spelling variants such as ''waa'' and ''wah''.


⚫
==References==
*{{cite web
|publisher=Thailand Guru, a service of Export Quality Services Co., Ltd
|title=Units of Measurement
|url=http://www.thailandguru.com/infra-time.html#units
|accessdate=15 April 2007}} (which uses the name 'waa' instead of 'dtaaraangwaa' for the 'square waa')
*{{cite web
|publisher=Baan Thai Property Co. Ltd
|title=Information and advice when buying property in Thailand (Land Sizes)
|url=http://www.baanthaiproperty.com/info.php
|accessdate=15 April 2007}} (with spelling variant 'data-raang waa' for 'dtaaraangwaa')
*{{cite web
|publisher=www.PureThailand.com
|title=Thailand Information - Measurement
|url=http://www.purethailand.com/thailand_information/misc/measurement.htm
|accessdate=15 April 2007}} (with spelling variants 'wah' and 'tara[a]ng wah' for 'waa' and 'dtaaraangwaa')
*{{cite web
| url = http://rirs3.royin.go.th/
⚫
| title = พจนานุกรม ฉบับราชบัณฑิตยสถาน พ.ศ. ๒๕๔๒
| publisher = [[Royal Institute of Thailand]]
| location = ว
| page = วา
| language = Thai
⚫
| trans_title = Royal Institute Dictionary 1999 Edition
}}
==See also==
==See also==
*[[Thai units of measurement]]
*[[1 E0 m]] for a comparison with other lengths
*[[Orders of magnitude (area)]] for a comparison with other lengths
*[http://www.convert-me.com/en/convert/length Length metric conversion], British and U.S., Japanese, Chinese, Thai, old French, old Spanish, old Russian, etc.


⚫
==References==
⚫
[[Category:Geography of Thailand]]
{{reflist}}
⚫
[[Category:Units of length]]
⚫
[[Category:Human-based units of measure]]
[[Category:Thai words and phrases]]


==External links==
[[fi:Waa]]
⚫
*{{cite web| url = http://rirs3.royin.go.th/| script-title=th:พจนานุกรม ฉบับราชบัณฑิตยสถาน พ.ศ. ๒๕๔๒| publisher= [[Royal Institute of Thailand]]
[[th:วา]]
⚫
| location= ว| page= วา| language= Thai|trans-title=Royal Institute Dictionary 1999 Edition}}
[[vi:Waa]]

{{DEFAULTSORT:Wa (Unit)}}
⚫
[[Category:Units of length]]
⚫
[[Category:Human-based units of measurement]]
⚫
[[Category:Thai units of measurement]]

Latest revision as of 15:15, 12 October 2024

Wa (Thai: วา [wāː], also waa or wah, abbreviated ว.) is a unit of length, equal to two metres (2 m) or four sok (ศอก.) Wa as a verb means to outstretch (one's) arms to both sides, which relates to the fathom's distance between the fingertips of a man's outstretched arms. The 1833 Siamese-American Treaty of Amity and Commerce, reads, "[The] Siamese fathom...being computed to contain 78 English or American inches, corresponding to 96 Siamese inches."[1] The length then would have been equivalent to a modern 1.981 metres.[2] Since conversion to the metric system in 1923,[3][4] the length as derived from the metre is precisely two metres, but the unit is neither part of nor recognized by the modern International metric system (SI).

Wa also occurs as a colloquialism for "square wa" (tarang wa) a unit of area abbreviated ตร.ว. or ว๒.)

As with many terms normally written in the Thai alphabet, romanization of Thai causes spelling variants such as waa and wah.

See also

[edit]

References

[edit]
  1. ^ Spotlight on Treaty of Amity Archived May 3, 2012, at the Wayback Machine
  2. ^ Convert me
  3. ^ "History of weights and measures in Thailand.htm". Northern Weights and Measures Center (Thailand). April 2004. Retrieved September 26, 2011. ..."Weights and Measures Act, B.E. 2466" [1923 CE]....[superseded by ] "Weights and Measures Act, B.E. 2542"...Government Gazette, Royal Decree Version, Volume 116, Part 29 a, dated 21 April 1999...effective since 18 October 1999
  4. ^ ประวัติชั่งตวงวัดไทย (in Thai). Northern Weights and Measures Center (Thailand). April 2004. Retrieved September 26, 2011.
[edit]
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