ADA

See also: Appendix:Variations of "ada"

Translingual

Etymology 1

Symbol

ADA

1. (international standards, aviation) IATA airport code for Adana Şakirpaşa Airport, which serves Adana, Turkey.

Etymology 2

Symbol

ADA

1. (international standards) Unofficial non-ISO 4217 currency code for the cryptocurrency Cardano.
   • 2017–2018, Federico Spitaleri, Definizione di mappe percettive delle criptovalute con maggiore capitalizzazione attraverso l’utilizzo del multidimensional scaling‎^[1] (thesis; in Italian), Luiss Guido Carli, archived from the original on 7 June 2022, page 38:

     La fornitura di ADA attualmente in circolazione ammonta a 25.927.070.538 unità, mentre la fornitura totale è fissata a 31.112.483.745 ADA. Il prezzo di un ADA nel periodo di raccolta dei giudizi di somiglianza (Marzo-Aprile) si attesta a quasi 0,2 $ (coinmarketcap.com).

     (please add an English translation of this quotation)

   • 2021, J.W. Benazco Ángel, G. García Machiñena Morell, Proyecto Cardano, tercera generación de criptomonedas‎^[2] (thesis; in Spanish), University of La Laguna, page 15:

     En estas fechas escogidas vemos la evolución que ha tenido ADA de 1 enero de 2021 a un precio de 0,14 euros por ADA y su máximo histórico se sitúa sobre 2,03 euros por ADA a 16 mayo de 2021.

     (please add an English translation of this quotation)

Usage notes

This code conflicts with the currency coding standardization rules in ISO 4217, as currency codes beginning with AD are reserved for Andorra, due to that being its ISO 3166-1 alpha-2 code.

English

Alternative forms

• A.D.A., A. D. A.

Noun

ADA (countable and uncountable, plural ADAs)

1. Initialism of adenosine deaminase, the enzyme that specifically affects RNA. See ADAR.
2. Initialism of assistant district attorney.
3. Acronym of anti-doping agency.
4. (organic chemistry) Abbreviation of azodicarbonamide.
5. (art) Initialism of autodestructive art.

Alternative forms

• (assistant district attorney): assistant DA, assistant D.A., assistant D. A.

Derived terms

• (assistant district attorney): EADA / E.A.D.A. / E. A. D. A. (executive assistant district attorney)
• (anti-doping agency): WADA, USADA, RUSADA, NADA

Related terms

• (assistant district attorney): DA / D.A. / D. A. (district attorney)

Proper noun

ADA

1. (US) Initialism of American Dental Association.
2. (US politics) Initialism of Americans for Democratic Action.
3. (US politics) Initialism of Americans with Disabilities Act.
4. (US) Initialism of American Diabetes Association.
5. (US) Initialism of Air Defense Artillery.
6. (UK) Initialism of Association of Drainage Authorities.
7. (US) Initialism of Antideficiency Act.
   • 2025, “Special Instructions for Agencies Affected by a Possible Lapse in Appropriations Starting on October 1, 2025”, in Office of Personnel Management‎^[3], archived from the original on 30 September 2025, page 1:

     This information supplements (and should be read with) general guidance issued by the Office of Management and Budget (OMB) and the Office of Personnel Management (OPM) for administering an agency shutdown of operations due to a lapse in appropriations, consistent with the Antideficiency Act (ADA) (31 U.S.C. 1341-1342) and the pay, leave, and other relevant statutory authorities that apply to lapse-affected employees. […] “Excepted employees” may perform activities legally permitted as an exception to the ADA’s prohibitions on performing work during a lapse in appropriations, but may not be paid for that work until after the lapse is over.

Anagrams

• AAD, aad