fidelity; faithfulness; accuracy
Technical term used in fields such as audio, data transmission, and reproduction to describe how accurately a copy or signal matches the original. Not commonly used in everyday conversation.
This speaker has high sound fidelity.
To maintain data fidelity, regular backups are necessary.
high fidelity; hi-fi
Compound of 忠実 (faithful) + 度 (degree). The exact historical derivation is uncertain, but the word follows a standard pattern for forming technical terms indicating a measurable quality.