CDO may refer to:

Aeronautics

* pronunciation of the

zero-lift drag coefficient In aerodynamics, the zero-lift drag coefficient C_ is a dimensionless parameter which relates an aircraft's zero-lift drag force to its size, speed, and flying altitude. Mathematically, zero-lift drag coefficient is defined as C_ = C_D - C_, wher ...

„

C_

”

Chemistry

Cysteine dioxygenase Cysteine dioxygenase (CDO) is a non-heme iron enzyme that catalyzes the conversion of L-cysteine to cysteine sulfinic acid (cysteine sulfinate). CDO plays an important role in cysteine catabolism, regulating intracellular levels of cysteine and res ...

, an enzyme * CDO, trade name of

chlordiazepoxide Chlordiazepoxide, trade name Librium among others, is a sedative and hypnotic medication of the benzodiazepine class; it is used to treat anxiety, insomnia and symptoms of withdrawal from alcohol and other drugs. Chlordiazepoxide has a medium t ...

* CdO,

cadmium oxide Cadmium oxide is an inorganic compound with the formula CdO. It is one of the main precursors to other cadmium compounds. It crystallizes in a cubic rocksalt lattice like sodium chloride, with octahedral cation and anion centers. It occurs natura ...

Computing

* Climate Data Operators, a command line suite for manipulating and analyzing climate data *

Collaboration Data Objects Collaboration Data Objects (CDO), previously known as OLE Messaging or Active Messaging, is an application programming interface included with Microsoft Windows and Microsoft Exchange Server products. The library allows developers to access the Gl ...

, a Microsoft application programming interface for data access *

Connected Data Objects Connected Data Objects (CDO) is a free implementation of a Distributed Shared Model Distribution may refer to: Mathematics *Distribution (mathematics), generalized functions used to formulate solutions of partial differential equations *Proba ...

, a free implementation of a distributed shared model

Places

* Cagayan de Oro, a city on Mindanao Island, Philippines * Canyon del Oro High School, a public school in Oro Valley, Arizona, USA * Cañada del Oro, a primary watershed channel in the valley of Tucson, Arizona, USA

People

Job titles

* Chief data officer, an information systems title * Chief Dental Officer (Canada), a Canadian official who advises on oral health * Chief Dental Officer (United Kingdom), a professional advisor for dentistry in each of the 4 UK governments *

Chief design officer Chief Design Officer (CDO), or design executive officer (DEO), is a corporate title sometimes given to an executive in charge of an organization's design initiatives. The CDO is typically responsible for overseeing all design and innovation aspects ...

, a corporate design position * Chief development officer (aka Chief business development officer), a business position *

Chief Development Officer (India) The Chief Development Officer is an administrative post in the Indian states of Uttar Pradesh and Uttarakhand and Bihar tasked to oversee various developmental schemes of poverty alleviation and infrastructure creation of the state and central gove ...

, a civil servant in the Indian states of Uttar Pradesh and Uttarakhand * Chief digital officer * Chief diversity officer *

Command duty officer A command duty officer (CDO) or officer of the day (OOD) is a watchkeeping officer on a naval ship who is delegated authority from a commanding officer of the ship and holds command and control of the ship during that watch. A CDO represents the ...

Other uses

* CDO Foodsphere, a Philippine meat processing company *

Central dense overcast The central dense overcast, or CDO, of a tropical cyclone or strong subtropical cyclone is the large central area of thunderstorms surrounding its circulation center, caused by the formation of its eyewall. It can be round, angular, oval, or irr ...

, in a tropical storm *

Collateralized debt obligation A collateralized debt obligation (CDO) is a type of structured asset-backed security (ABS). Originally developed as instruments for the corporate debt markets, after 2002 CDOs became vehicles for refinancing mortgage-backed securities (MBS).Le ...

, a structured finance product *

Community dial office A "Community Dial Office" (CDO) was a small Class 5 telephone exchange in a rural area. These most often provided capacity for 1,000 or fewer customers and were designed for unattended operation. CDOs could be step by step, all relay or crossbar. ...

, a telephone switching system for small communities * Continuous duty overnight, a regional airline crew scheduling term * ISO-639 code for the

Eastern Min Eastern Min or Min Dong (, Foochow Romanized: Mìng-dĕ̤ng-ngṳ̄), is a branch of the Min group of Sinitic languages of China. The prestige form and most-cited representative form is the Fuzhou dialect, the speech of the capital of Fujian. G ...

branch of Chinese * Conservative Democratic Organisation, an organization associated with the UK Conservative Party