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• Ada
  Ada

  noun

  a programming language particularly suited to real-time applications: developed for use by the U.S. Department of Defense.
• ADA
  ADA

  abbreviation

  adenosine deaminase.
• A.D.A.
  A.D.A.

  abbreviation

  American Dental Association.

Ada

¹ American  

[ey-duh] / ˈeɪ də /

noun

Computers.

1. a programming language particularly suited to real-time applications: developed for use by the U.S. Department of Defense.

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Ada ² American  

[ey-duh] / ˈeɪ də /

noun

1. a city in central Oklahoma.

2. Douay Bible. Adah.

3. a first name: from a Germanic word meaning “noble.”

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ADA ³ American  

abbreviation

1. adenosine deaminase.

2. American Dental Association. null A.D.A.

3. American Diabetes Association. null A.D.A.

4. Americans for Democratic Action. null A.D.A.

5. Americans with Disabilities Act: a federal law prohibiting discrimination against people with physical or mental impairments and guaranteeing access to employment opportunities and access to state and local government programs and services, signed by President George H. W. Bush in 1990.

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A.D.A. ⁴ American  

Or ADA

abbreviation

1. American Dental Association.

2. American Diabetes Association.

3. Americans for Democratic Action.

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Ada British  

/ ˈeɪdə /

noun

1. a high-level computer programming language designed for dealing with real-time processing problems: used for military and other systems

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Etymology

Origin of Ada

Named after Augusta Ada (Byron), Countess of Lovelace (1815–37), English mathematician, who assisted Charles Babbage in developing a precursor of the modern computer

Example Sentences

Ada Ferrer is one of the country’s leading historians of Cuba and her timely memoir, “Keeper of My Kin,” arrives at a moment of renewed urgency for Cuba.

From Los Angeles Times • May 19, 2026

"This study offers a seminal contribution to our understanding of aqueous solution thermodynamics," said co-author and Mechanical Engineering Department Head Dr. Guillermo Aguilar, who serves as the James and Ada Forsyth Professor.

From Science Daily • Apr. 27, 2026

Despite reportedly running 400,000 simulations a day based on Clinton’s race against Donald Trump, and churning out detailed reports on how to reach voters, Ada and the former secretary of state’s campaign were ultimately unsuccessful.

From Salon • Apr. 13, 2026

Ada, 36, is strolling on the beach, unfazed by the wail of air alert sirens mingling with the squawking of seagulls.

From BBC • Jan. 16, 2026

I told him about Abe Black in Coney Island, and Ada Black with the two Picasso paintings, and the birds that flew by Mr. Black’s window.

From "Extremely Loud and Incredibly Close" by Jonathan Safran Foer