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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
  • 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.


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.”


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.


A.D.A. 4 American  
Or ADA

abbreviation

  1. American Dental Association.

  2. American Diabetes Association.

  3. Americans for Democratic Action.


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

When Mosquera's family saw him during a video call from the jail, he had lost hair and "gotten very thin", Ada said.

From Barron's Jul. 7, 2026

Ada is facing a make-or-break debut and struggling with a homesickness that seems to outweigh her desire to model.

From Salon Jun. 29, 2026

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

Founded in Bologna in 1954 by an Italian corsetry maker named Ada Masotti, La Perla’s lingerie became high fashion.

From The Wall Street Journal Apr. 18, 2026

To warn you of Ada Taylor and her sympathy and mothers who wake you up with vacuums.

From "Where Things Come Back" by John Corey Whaley

Results from that study were also presented at the ADA meeting and published in The Lancet Diabetes and Endocrinology.

From Science Daily Jun. 15, 2026

The new bill shifts from a fixed number to subsidizing one ADA per 7,500 people in the parish.

From Slate May 5, 2026

Currently, the law subsidizes 83 ADA positions for Orleans Parish.

From Slate May 5, 2026

The company is also seeking to attract new capital to other monetizable assets, including Link Net, Boost and ADA, with proceeds earmarked for debt reduction.

From The Wall Street Journal Mar. 25, 2026

Miss Ada opened the note and read: "DEAR ADA: "Come over to the hall to-morrow night, you and your brother, and bring the youngsters.

From Three Little Cousins by Blanchard, Amy Ella

While the theater is accessible for all patrons, the stage is not A.D.A. compliant, he said.

From New York Times Feb. 19, 2023

Then she revised that statement: “Well, it shouldn’t take two years. But what worked well was that they closed the street first and then they made those updates,” such as adding more A.D.A. parking spaces.

From Slate Nov. 11, 2022

When the A.D.A. was enacted 32 years ago, only 6 percent of Chicago’s rail stations were compliant.

From New York Times Jul. 26, 2022

But, though he never hid his own physical issues, Mr. Dole seldom talked about them, Mr. Coelho said, and never used them as a tool to get other lawmakers’ support on the A.D.A.

From New York Times Dec. 9, 2021

He told the jury, in so many words, to pay no attention to either the A.D.A. or to Mr. Tutt, and to listen only to him, because he was the whole thing.

From By Advice of Counsel by Train, Arthur Cheney

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