Dao, Dão or DAO may refer to: *

Tao ''Tao'' or ''Dao'' is the natural order of the universe, whose character one's intuition must discern to realize the potential for individual wisdom, as conceived in the context of East Asian philosophy, East Asian religions, or any other philo ...

(Chinese: "The Way" 道), a philosophical concept * Dao (Chinese sword) (刀), a type of Chinese sword * Dao (Naga sword), a weapon and a tool of Naga people

People and language

* Yao people, a minority ethnic group of Vietnam *

Dao language (Papuan) Auye (Auwje) and Dao (Maniwo) are the two dialectsMoxness (2002: 6–7) of a Papuan language The Papuan languages are the non- Austronesian and non-Australian languages spoken on the western Pacific island of New Guinea in Indonesia and Papua ...

, Indonesia * Dao language (China) *

Dao (surname) Dao is a surname in Canada, India, the Philippines, Hong Kong (R.China), mainland People's Republic of China, Singapore, Scotland, UK, Portugal, Native American Indian, and Vietnam Persons with the surname * Đào Cam Mộc, imperial official invo ...

(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) A circuit ( or ) was a historical political division of China and is a historical and modern administrative unit in Japan. The primary level of administrative division of Korea under the Joseon and in modern North and South Korea employs the ...

(Dào), historical political divisions in China translated as "circuits" *

Dao (state) Dao () was a Chinese vassal state during the Zhou Dynasty (1046 – 221 BCE) located in the southern part of Runan County, Henan. Dao existed in the shadow of the powerful neighbouring State of Chu which was held in check by the equally powerful ...

, 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 is ...

, Philippines * Dao County, 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 D-amino acid oxidase (DAAO; also OXDA, DAMOX) is an enzyme with the function on a molecular level to oxidize D-amino acids to the corresponding α-keto acids, producing ammonia and hydrogen peroxide. This results in a number of physiological e ...

, a peroxisomal enzyme * Diamine oxidase, an enzyme also known as histaminase involved in the metabolism of histamine *

D-aspartate oxidase In enzymology, a D-aspartate oxidase () is an enzyme that catalyzes the chemical reaction :D-aspartate + H2O + O2 \rightleftharpoons oxaloacetate + NH3 + H2O2 The 3 substrates of this enzyme are D-aspartate, H2O, and O2, whereas its 3 pro ...

, 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, 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 crude oil refinery process stream *

Double action only A trigger is a mechanism that actuates the function of a ranged weapon such as a firearm, airgun, crossbow, or speargun. The word may also be used to describe a switch that initiates the operation of other non-shooting devices such as a trap, ...

, a trigger mechanism for semi-automatic firearms

Organizations

* Decentralized autonomous organization, a type of organization *

The DAO (organization) The DAO, whose logo featured a capital letter Đ, was a digital decentralized autonomous organization and a form of investor-directed venture capital fund. After launching in April 2016 via a token sale, it became one of the largest crowdfund ...

, a former digital organization established in 2016 * Defence Acquisition Organisation, the former name of the Australian Defence Materiel Organisation * Dominion Astrophysical Observatory in Saanich, British Columbia, Canada * Daallo Airlines (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 ...