英和和英

語源

15th century, from 中期英語 [Term?], from Middle French fidélité, from Latin fidēlitās, from fidēlis (“faithful”), from fidēs (“faith, loyalty”) (English faith), from Proto-Indo-European *bʰidʰ-, zero-grade of *bʰeydʰ- (“to command, to persuade, to trust”) (English bide). Doublet of fealty.

発音

• IPA: /fɪˈdɛl.ɪ.ti/, /faɪˈdɛl.ɪ.ti/
• (米国発音) IPA: /fᵻˈdɛlədi/
• ハイフネーション: fi‧del‧i‧ty

名詞

fidelity (countable and uncountable, plural fidelities)

1. Faithfulness to one's moral or civic duties.

   Synonym: allegiance

   the fidelity of the civil servants

2. Loyalty to one's spouse or partner, including abstention from cheating or extramarital affairs.

   Antonym: infidelity

3. Accuracy, or exact correspondence to some given quality or fact.
4. The degree to which a system accurately reproduces an input.
   • 2003, Proceedings of the Twenty-ninth International Conference on Very Large Databases, Berlin, Germany, 9-12 September, 2003, page 58:

     By placing them closer to the source, we can reduce the number of messages in the system and this in turn is likely to improve the fidelity of the system.

5. (archaic) Faithfulness to God and one's religion.

   Antonyms: infidelity, irreligion, nullifidianism

   Hypernym: loyalty

   Near-synonym: faith

引用

• 2004, High-Fidelity Medical Imaging Displays, Aldo Badano, Michael J. Flynn, Jerzy Kanicki, →ISBN:
• 2008, David L. Nelson, Michael M. Cox, Absolute Ultimate Guide for Lehninger Principles of Biochemistry, →ISBN, page S-305:

  The isoleucyl-tRNA synthetase has a proofreading function that ensures the fidelity of the aminoacylation reaction, but the histidyl-tRNA synthetase lacks such a proofreading function.

反意語

• infidelity

派生語

関連する語

• affidavit
• bide
• faith

Further reading

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