indicatorとは 意味・読み方・使い方

語源

From Late Latin indicātor (“one who points out”), from Latin indicō (“point out”). By surface analysis, indicate +‎ -or; see indicate.

発音

• (英国発音) IPA: /ˈɪn.dɪˌkeɪ.tə(ɹ)/

名詞

indicator (plural indicators)

1. A pointer or index that indicates something.
   • 1954 November, “Train Arrival Indicators at Euston”, in Railway Magazine, page 738:

     The visual indicators are a decided improvement, and have reduced the telephoning by the staff in the signalbox.

   • 2012, Andrew Martin, Underground Overground: A passenger's history of the Tube, Profile Books, →ISBN, page 79:

     These old indicators [at Earl's Court station] show the destination of the next train by the appearance of an illuminated arrow next to the station name. The arrow may indicate that a train is going to Wimbledon, but it gives no clue as to when. Now, however, the indicators are supplemented by dot matrix panels that not only say where but also when. Why aren't the old ones removed? Because they, like the whole station, are Grade II listed.

2. A meter or gauge.
3. The needle or dial on such a meter.
4. (chemistry) Any of many substances, such as litmus, used to indicate the concentration of a substance, or the degree of a reaction.
5. (ecology) A plant or animal whose presence is indicative of some specific environment.
6. (economics) A measure, such as unemployment rate, which can be used to predict economic trends.
7. (UK, Australia, New Zealand, Ireland, South Africa, automotive) A turn signal; each of the flashing lights on each side of a vehicle which indicate a turn is being made to left or right, or a lane change etc.

   Synonyms: (informal) blinker, directional, directional signal, direction indicator, trafficator, turn indicator, (chiefly US) turn signal

8. A bird, the honeyguide.
9. (crosswording) A codeword that marks the use of a specific cryptic device.
   • 2011 December 9, Collins, Crossword Secrets (Collins Little Book), HarperCollins UK, →ISBN, page 6:

     'Wild' is an anagram indicator showing that the letters of 'danger' have to be rearranged.

   • 2012 October 15, Denise Sutherland, Solving Cryptic Crosswords For Dummies, John Wiley & Sons, →ISBN, page 46:

     We surrounded the strike, Snowy (5)
     Snowy is the definition in this clue. Ignore the punctuation and capital letter of Snowy! Surrounded is the container indicator.

   • 2020 August 20, Telegraph Media Group Ltd, The Telegraph: How To Solve a Cryptic Crossword: Mastering cryptic crosswords made easy, Hachette UK, →ISBN, page 23:

     We have already mentioned 'in' having multiple uses; 'round' or 'around' might be a container indicator or a reversal indicator; 'without' might be a container indicator or a deletion indicator, and so on.

派生語

関連する語

Further reading

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

アナグラム

• anidrotic, cardiotin

発音

• (Classical Latin) IPA: [ɪn.dɪˈkaː.tɔr]
• (modern Italianate Ecclesiastical) IPA: [in.diˈkaː.tor]

名詞

indicātor m (genitive indicātōris); third declension

1. (Late Latin) Someone who points out.

語形変化

Third-declension noun.

関連する語

派生した語

動詞

indicātor

1. second/third-person singular future passive imperative of indicō

参照

• “indicator”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• "indicator", 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)
• “indicator”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.