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domino

1 American  
[dom-uh-noh] / ˈdɒm əˌnoʊ /

noun

plural

dominoes
  1. a flat, thumbsized, rectangular block, the face of which is divided into two parts, each either blank or bearing from one to six pips or dots: 28 such pieces form a complete set.

  2. (used with a singular verb) dominoes, any of various games played with such pieces, usually by matching the ends of pieces and laying the dominoes down in lines and angular patterns.


domino 2 American  
[dom-uh-noh] / ˈdɒm əˌnoʊ /

noun

plural

dominoes, dominos
  1. a large, hooded cloak with a mask covering the eyes, worn at masquerades.

  2. the mask.

  3. a person wearing such dress.


Domino 3 American  
[dom-uh-noh] / ˈdɒm əˌnoʊ /

noun

  1. Antoine Fats, 1928–2017, U.S. rhythm-and-blues pianist, singer, and composer.


domino 1 British  
/ ˈdɒmɪˌnəʊ /

noun

  1. a small rectangular block used in dominoes, divided on one side into two equal areas, each of which is either blank or marked with from one to six dots

  2. (modifier) exhibiting the domino effect

    a domino pattern of takeovers

"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

domino 2 British  
/ ˈdɒmɪˌnəʊ /

noun

  1. a large hooded cloak worn with an eye mask at a masquerade

  2. the eye mask worn with such a cloak

"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

Domino 3 British  
/ ˈdɒmɪnəʊ /

noun

  1. Fats. real name Antoine Domino born 1928, US rhythm-and-blues and rock-and-roll pianist, singer, and songwriter. His singles include "Ain't that a Shame" (1955) and "Blueberry Hill" (1956)

"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 domino1

First recorded in 1710–20; perhaps special use of domino 2

Origin of domino2

First recorded in 1710–20; from Italian: “hood and mask costume,” from Medieval Latin or Middle French: “black hood worn by priests in winter”; obscurely akin to Latin dominus “lord, master”

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.

The end of Sora is most certainly not the first domino or the bursting of the AI bubble.

From Los Angeles Times

The latest blackout was due to an outage in a generating unit at one of the country's eight thermoelectric plants, triggering a domino effect in the system, according to authorities.

From Barron's

“It’s called butterfly effect. Epstein was the first domino,” he says, miming dominoes falling.

From Los Angeles Times

“We would not be surprised if Cliffwater is the canary in the coal mine and will be the first domino in the ‘bank run’ we foresee,” Rosen wrote in the letter, which the Journal reviewed.

From The Wall Street Journal

That letter had caused a domino effect of events that pitted Regan against me in a simulation test that just so happened to also be testing for compatibility for the partner program.

From Literature