Dominoとは 意味・読み方・使い方

語源

1801, borrowed from French domino (1771), originally the term for a hooded garment, itself from Medieval Latin domino, oblique case of dominus (“lord, master”); compare Medieval Latin dominicale (“a kind of veil”). By surface analysis, di- +‎ -omino.

発音

• (Received Pronunciation) enPR: dŏm′mĭnō, IPA: /ˈdɒmɪnəʊ/
• (General American) enPR: dŏ′mənō′, IPA: /ˈdɑməˌnoʊ/
• 韻: -ɒmɪnəʊ, -ɒmənəʊ

名詞

domino (plural dominos or dominoes)

1. (dominoes) A tile divided into two squares, each having 0 to 6 (or sometimes more) dots or pips (as in dice), used in the game of dominoes. [from c. 1800]
   • 2000, “The Hollow”, performed by A Perfect Circle:

     Dominoes of indiscretions down
     Falling all around, in cycles, in circles
     Constantly consuming
     Conquer and devour

   • 2011 October 15, Maki Kaji, The Big Book of Visual Sudoku‎, Workman Publishing Company, page 118:

     If a domino had four squares on its surface, it would be a tetromino. With five squares, it would be a pentomino—nine, a nonomino, eleven, an unwieldy undecomino!

   • 2012 July 11, Tony Plakas, “Mitt's Mormon marriage march”, in Sun-Sentinel‎, archived from the original on 7 December 2025:

     The Mormon church's past anti-gay positions and its role in financing Proposition 8 – California's 2008 ban on same-sex marriage – may have been the first dominoes to fall around the faithful, but vetting Mitt Romney as a presidential candidate links the straightforward similarities between Mormonophobia and homophobia.

2. (politics) A country that is expected to react to events in a neighboring country, according to the domino effect.
3. A masquerade costume consisting of a hooded robe and a mask covering the upper part of the face.

   Synonym: domino costume

   • 1749, Henry Fielding, Tom Jones, Folio Society, published 1973, page 485:

     all the women were desirous of having the bundle immediately opened; which operation was at length performed by little Betsy, with the consent of Mr Jones: and the contents were found to be a domino, a mask, and a masquerade ticket.

   • 1837, L[etitia] E[lizabeth] L[andon], “The Masked Ball”, in Ethel Churchill: Or, The Two Brides. […], volume III, London: Henry Colburn, […], →OCLC, page 175:

     The chair being announced, she fastened on her mask, and drew her domino round her, it not being her intention to display her splendid and fantastic costume till supper, when all the guests were expected to unmask.

   • 1904–1905, Baroness Orczy [i.e., Emma Orczy], “The Affair at the Novelty Theatre”, in The Case of Miss Elliott, London: T[homas] Fisher Unwin, published 1905, →OCLC; republished as popular edition, London: Greening & Co., 1909, OCLC 11192831, quoted in The Case of Miss Elliott (ebook no. 2000141h.html), Australia: Project Gutenberg of Australia, February 2020:

     For this scene, a large number of supers are engaged, and in order to further swell the crowd, practically all the available stage hands have to ‘walk on’ dressed in various coloured dominoes, and all wearing masks.

   • 1983, Lawrence Durrell, Sebastian (Avignon Quintet), Faber & Faber, published 2004, page 1007:

     Then he hunted for the black carnival domino, supposing that it was the appropriate thing for a penitent to wear.

4. The mask itself.

   Synonyms: domino mask, half mask, eyemask

   • 1872, James De Mille, The Cryptogram‎, HTML edition, The Gutenberg Project, published 2009:

     He wore a domino, but beneath it could be seen his whiskers, cut after the English fashion, and long and pendent.

5. The person wearing the costume.
6. (geometry) A polyomino made up of two squares.

   Synonym: 2-omino

7. (music, colloquial) A mistake in performing.
   • 1932, The Musical Times and Singing-class Circular, page 263:

     Any player is liable to make a 'domino' — that is to say, he goes wool-gathering and continues to play when everyone else has stopped. If he does so at a grown-up concert the fault is irredeemable […]

8. (slang, in the plural) A person's teeth.
   • 1892, Eugène Sue, The Mysteries of Paris, page 182:

     […] break your dominoes by grinding them that way.

   • 1965, Henri Barbusse (tr. W. Fitzwater Wray), Under Fire (page 20)

     Look here, you chaps, don't you chew it too quick, or you'll break your dominoes on the nails!

派生語

関連する語

• dominate

動詞

domino (third-person singular simple present dominoes, present participle dominoing, simple past and past participle dominoed)

1. (intransitive) To collapse in the manner of dominoes.
   • 2010, Ring of Fire: An Indonesian Odyssey, →ISBN, page 107:

     A dismasting often means the dominoing of one mast into the other, down through the decks, cannoning the cargo through the hull below, and sinking the ship very quickly.

2. (transitive) To cause to collapse in the manner of dominoes.

参考

Further reading

• Domino (mathematics) on Wikipedia.Wikipedia
• “domino”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “domino”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.

アナグラム

• monoid

動詞

dominō (present infinitive domināre, perfect active domināvī, supine dominātum); first conjugation

1. (rare) alternative form of dominor (“rule, control”)

   Synonyms: devinco, supero, conquesto, subigo, vinco, profligo, caedo, pello, domo

Conjugation

名詞

dominō

1. dative/ablative singular of dominus

参照

• domino in Enrico Olivetti, editor (2003-2026), Dizionario Latino, Olivetti Media Communication
• “domino”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• "domino", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)