thermometer

/θɚˈmɒmɪtɚ/

//θɚˈmɒmɪtɚ// noun

By · According to Wiktionary data (CC BY-SA) ·

"thermometer" is a 11-letter English headword indexed on PlainSpell.

The verdict

“thermometer” has 17 generated spelling variants in the English index at frequency #21,961. The variants make it a useful spelling check.

#21,961
frequency rank, English
3,151
“T” headwords
17
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An apparatus used to measure temperature.

Corpus desk

Index EN-thermometer · thermometer · English

thermometer · rank #21,961 · 17 variants · 0 confusables

  • FREQ-MID #21,961
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 17 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH thingy

Nearest frequency peer: thingy (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “thermometer”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “thermometer” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for thermometer
PropertyValue
Headwordthermometer
LanguageEnglish
Part of speechNoun
IPA/θɚˈmɒmɪtɚ/
Letters11
Frequency rank#21,961
Misspellings tracked17
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “thermometer”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).thermometerlands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “thingy” (#21,962), “Timberlake” (#21,963), “terminating” (#21,958). Among 3,151 “T” headwords, “thermometer” is #21,961. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 17 spelling variants around thermometer (IPA /θɚˈmɒmɪtɚ/), anoun. Corpus frequency is #21,961 among 3,151 “T” headwords. Dominant gloss: "An apparatus used to measure temperature.".

Our generated misspelling index lists 17 likely wrong-spelling variants for thermometer, with forms such as "htermometer", "tehrmometer", and "themrometer". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Borrowed from French thermomètre; equivalent to thermo- + -meter. The correct English form is thermometer, spelled T-H-E-R-M-O-M-E-T-E-R.

Definition

  1. 1
    An apparatus used to measure temperature.

Recorded use

Wiktionary examples

These source excerpts show how thermometer appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Towards the following morning, the thermometer fell to 5°; and at daylight, there was not an atom of water to be seen in any direction.
  2. On the wall were hanging thermometers, barometers, and hydrometers, and every other sort of ometer, numberless, dusty, and mysterious; […]

Etymology

Borrowed from French thermomètre; equivalent to thermo- + -meter.

This word in other languages

termómetro(Español)thermomètre(Français)Thermometer(Deutsch)termômetro(Português)

Common misspellings

Also misspelled as:

  • htermometer
  • tehrmometer
  • themrometer
  • thermmoeter
  • thermmometer
  • thermoemter
  • thermomeetr
  • thermometerr
  • thermometre
  • thermometter
  • thermommeter
  • thermomteer
  • therommeter
  • therrmometer
  • thhermometer
  • thremometer
  • tthermometer

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of thermometer - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

htermometer2tehrmometer2themrometer2thermmoeter2thermmometer1thermoemter2thermomeetr2thermometerr1
Edit distance from "thermometer"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "thermometer"?
"thermometer" is spelled T-H-E-R-M-O-M-E-T-E-R. The IPA pronunciation is /θɚˈmɒmɪtɚ/.
What does "thermometer" mean?
As a noun, "thermometer" means: An apparatus used to measure temperature.
What are common misspellings of "thermometer"?
Common misspellings include "htermometer", "tehrmometer", "themrometer", "thermmoeter", "thermmometer". The correct spelling is "thermometer".
How do you pronounce "thermometer"?
The IPA (International Phonetic Alphabet) transcription for "thermometer" is /θɚˈmɒmɪtɚ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "thermometer"?
Borrowed from French thermomètre; equivalent to thermo- + -meter. See the full etymology section above for more details.
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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "thermometer", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

terminating#21,958stewardship#21,946specificity#21,943aristocracy#21,998

Similar misspelling depth

Headwords with a similar count of attested misspellings (17 here; floor ≥5).

proclaiming17 variantscartwright17 variantsclandestine17 variantsnarcissistic17 variants

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

Source: FrequencyWords open word-frequency list