1.
redundancy (engineering, information, or systems sense)
The inclusion of extra or duplicate components in a system — whether data, equipment, or wording — beyond the minimum required. In engineering and IT, redundancy is a positive property that provides fault tolerance; in writing, it is often a negative property indicating wordiness.
冗長性を確保する。
To ensure redundancy.
このシステムは冗長性が高く、障害に強い。
This system has high redundancy and is resistant to failures.
文章の冗長性を減らすために不要な語を削った。
I cut out unnecessary words to reduce the redundancy of the writing.
The noun form of the な}-adjective {冗長 ('long-winded; redundant'), made into a noun with the abstract-noun suffix -性. 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, 冗長性を減らす ('reduce redundancy') means 'tighten the writing'.
- **Information theory:** a quantifiable measure of the amount of predictable or repeated information in a signal.
COMMON COLLOCATIONS:
- 冗長性を確保する: to ensure redundancy
- 冗長性を持たせる: to build in redundancy
- 冗長性が高い: redundancy is high; highly redundant
- 冗長性が低い: redundancy is low
- 冗長性を減らす: to reduce redundancy (in writing)
- システムの冗長性: system redundancy
SIMILAR WORDS:
- 冗長: long-winded; redundant — the {な}-adjective root; describes text or explanations that could be shorter.
- 重複: duplication; overlap — the act or fact of two things overlapping; often undesirable.
- 予備: 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: multiplexing; duplication — specific technical term in communications for having multiple channels over one medium.