冗長性(じょうちょうせい)

The noun form of the な-adjective 冗長(じょうちょう) ('long-winded; redundant'), made into a noun with the abstract-noun suffix -性(せい). Used in technical and academic writing for the property of having extra or duplicate elements in a system.

Usage

• **Positive sense (engineering, IT, biology):** having backup components or duplicate paths so that the system continues to function when part of it fails. Essential for reliable servers, networks, aircraft, power grids, and genetic codes.
• **Negative sense (writing, speech):** wordiness; saying the same thing twice or padding text with unnecessary expressions. In this sense, 冗長性(じょうちょうせい)を減(へ)らす ('reduce redundancy') means 'tighten the writing'.
• **Information theory:** a quantifiable measure of the amount of predictable or repeated information in a signal.

Common collocations

• 冗長性(じょうちょうせい)を確保(かくほ)する: to ensure redundancy
• 冗長性(じょうちょうせい)を持(も)たせる: to build in redundancy
• 冗長性(じょうちょうせい)が高(たか)い: redundancy is high; highly redundant
• 冗長性(じょうちょうせい)が低(ひく)い: redundancy is low
• 冗長性(じょうちょうせい)を減(へ)らす: to reduce redundancy (in writing)
• システムの冗長性(じょうちょうせい): system redundancy

Similar words

• 冗長(じょうちょう): long-winded; redundant — the な-adjective root; describes text or explanations that could be shorter.
• 重複(ちょうふく): duplication; overlap — the act or fact of two things overlapping; often undesirable.
• 予備(よび): backup; spare; reserve — concrete noun for the backup element itself, such as a spare part or reserve team.
• バックアップ: backup — loanword commonly used in IT for backup copies and standby systems.
• 多重化(たじゅうか): multiplexing; duplication — specific technical term in communications for having multiple channels over one medium.