gear ratio

noun

"gear-ratio" is a 9-letter English headword indexed on PlainSpell.

The verdict

“gear ratio” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The ratio of the speeds of rotation of two gears, such as any pair that mesh and, especially, the initial and final gears in a gear train (whose relationship incorporates all the intermediate ones).

Key facts for gear ratio
PropertyValue
Headwordgear ratio
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “gear ratio” sits in English frequency

gear ratio falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

gear ratio is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The ratio of the speeds of rotation of two gears, such as any pair that mesh and, especially, the initial and final gears in a gear train (whose relationship incorporates all the intermediate ones).".

gear ratio doesn't appear in our generated misspelling index, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

No borrowing history is documented for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is gear ratio, spelled G-E-A-R- -R-A-T-I-O.

Definition

  1. 1
    The ratio of the speeds of rotation of two gears, such as any pair that mesh and, especially, the initial and final gears in a gear train (whose relationship incorporates all the intermediate ones).

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "gear ratio"?
"gear ratio" is spelled G-E-A-R- -R-A-T-I-O.
What does "gear ratio" mean?
As a noun, "gear ratio" means: The ratio of the speeds of rotation of two gears, such as any pair that mesh and, especially, the initial and final gears in a gear train (whose relationship incorporates all the intermediate ones).
What language does "gear ratio" come from?
"gear ratio" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “gear ratio”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is G-E-A-R- -R-A-T-I-O - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list