Dao, Dão or DAO may refer to: * Tao (Chinese: "The Way" 道), a philosophical concept *

Dao (Chinese sword) ''Dao'' (pronunciation: , English approximation: , Chinese: 刀; pinyin: ''dāo'') are single-edged Chinese swords, primarily used for slashing and chopping. The most common form is also known as the Chinese sabre, although those with wider b ...

(刀), a type of Chinese sword * Dao (Naga sword), a weapon and a tool of Naga people

People and language

Yao people The Yao people (its majority branch is also known as Mien; ; vi, người Dao) is a government classification for various minorities in China and Vietnam. They are one of the 55 officially recognised ethnic minorities in China and reside in t ...

, a minority ethnic group of Vietnam * Dao language (Papuan), Indonesia *

Dao language (China) The Dao language (; Daohua) is a Chinese–Tibetan mixed language or creolized language of Yajiang County, Sichuan, China. Word order is SOV as in Tibetan (Yeshes Vodgsal Atshogs 2004:6), while the lexicon consists of words derived from both ...

* Dao (surname) (Đào), a Vietnamese surname * Dao (''Dungeons & Dragons''), a type of genie in the game ''Dungeons & Dragons'' * Dão (footballer) (born 1984), Brazilian football defender

Places

* Dao (country subdivision) (Dào), historical political divisions in China translated as "circuits" * Dao (state), a historical state during the Zhou dynasty *

Dao, Capiz Dao, officially the Municipality of Dao ( Capiznon/ Hiligaynon: ''Banwa sang Dao''; tl, Bayan ng Dao), is a 4th class municipality in the province of Capiz, Philippines. According to the 2020 census, it has a population of 33,842 people. Dao ...

, Philippines *

Dao County Dao County () is a county in Hunan Province, China, it is under the administration of Yongzhou prefecture-level City. Located on the southern margin of the province, it is adjacent to the northeastern border of Guangxi. The county borders to the ...

, in Yongzhou, Hunan, China *

Dão DOC Dão is a Portuguese wine region situated in the Região Demarcada do Dão with the Dão-Lafões sub region of the Centro, Portugal. It is one of the oldest established wine regions in Portugal. Dão wine is produced in a mountainous region with a ...

, a wine region in Portugal * Dão River, a river in Portugal

Science and technology

Biology

* D-amino acid oxidase, a peroxisomal enzyme *

Diamine oxidase Diamine oxidase (DAO), also known "amine oxidase, copper-containing, 1" (AOC1), formerly called histaminase, is an enzyme () involved in the metabolism, oxidation, and inactivation of histamine and other polyamines such as putrescine or spermid ...

, an enzyme also known as histaminase involved in the metabolism of histamine * D-aspartate oxidase, in enzymology * ''

Dracontomelon dao ''Dracontomelon dao'', the Argus pheasant-tree, is a tree in the family Anacardiaceae, native to tropical Asia. Description ''Dracontomelon dao'' grows as a tropical canopy tree distinguished mostly by its height (reaching up to about ), for it ...

'', a species of tropical canopy tree known as ''dao'' in Filipino

Computing

* Data access object, a design pattern used in object-oriented software engineering *

Jet Data Access Objects Jet Data Access Objects is a general programming interface for database access on Microsoft Windows systems, primarily for Jet and ACE databases. History DAO were originally called VT Objects. DAO 1.0 came up in November 1992 as part of Acces ...

, a general programming interface for database access on Microsoft Windows systems * Disk-at-Once, an optical disc recording mode * Decentralized autonomous organization, an organization that is run through rules encoded as computer programs called smart contracts

Other

De-asphalted oil A de-asphalter is a unit in a crude oil refinery or bitumen upgrader that separates asphalt from crude oil or bitumen. The de-asphalter unit is usually placed after the vacuum distillation tower. It is usually a solvent de-asphalter unit, SDA. Th ...

, a crude oil refinery process stream * Double action only, a trigger mechanism for semi-automatic firearms

Organizations

* Decentralized autonomous organization, a type of organization * The DAO (organization), a former digital organization established in 2016 *

Defence Acquisition Organisation The Capability Acquisition and Sustainment Group (CASG) is an organisation within the Australian Department of Defence, responsible for acquisition and supply chain management of military equipment and materiel including aircraft, ships, vehic ...

, the former name of the Australian Defence Materiel Organisation *

Dominion Astrophysical Observatory The Dominion Astrophysical Observatory, located on Observatory Hill, in Saanich, British Columbia, was completed in 1918 by the Canadian government. The Dominion architect responsible for the building was Edgar Lewis Horwood. The main instrument ...

in Saanich, British Columbia, Canada *

Daallo Airlines Daallo Airlines is a Somali-owned airline based at Dubai Airport Free Zone in Al Garhoud, Dubai, United Arab Emirates. With its main hub at the Djibouti–Ambouli International Airport, the airline operates scheduled services in the Horn of Af ...

(ICAO code)

Arts and entertainment

* ''Dao'' (film), a film by Tsui Hark * ''Dao'' (game), an abstract strategy game * ''DAO'' (album), a 1996 album by jazz saxophonist David S. Ware

Other uses

* Defense Attaché Office, the office for military matters at embassies; for example see

Embassy of the United States, Tel Aviv The Branch Office of the Embassy of the United States of America in Tel Aviv is part of the diplomatic mission of the United States in the State of Israel. The complex opened in 1966, and is located at 71 HaYarkon Street in Tel Aviv. It served as ...