spectrophotometer

noun

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

"spectrophotometer" is a 17-letter English headword indexed on PlainSpell.

The verdict

“spectrophotometer” is uncommon English (frequency #89,930 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.

#89,930
frequency rank, English
6,566
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An instrument used to measure the intensity of electromagnetic radiation at different wavelengths.

Corpus desk

Index EN-spectrophotometer · spectrophotometer · English

spectrophotometer · rank #89,930 · 0 variants · 0 confusables

  • FREQ-RARE #89,930
  • LEN-MEGA 17 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH speculatively

Nearest frequency peer: speculatively (+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.

Long-tail ranks near “spectrophotometer”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “spectrophotometer” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for spectrophotometer
PropertyValue
Headwordspectrophotometer
LanguageEnglish
Part of speechNoun
Letters17
Frequency rank#89,930
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “spectrophotometer” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).spectrophotometerfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “speculatively” (#89,931), “southwestward” (#89,928), “sourness” (#89,927). Among 6,566 “S” headwords, “spectrophotometer” is #89,930. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

spectrophotometer is uncommon English at frequency #89,930 among 6,566 “S” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "An instrument used to measure the intensity of electromagnetic radiation at different wavelengths.".

No generated misspelling entries exist for spectrophotometer in our index, a sign its spelling follows regular English conventions. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From spectro- + photometer. The correct English form is spectrophotometer, spelled S-P-E-C-T-R-O-P-H-O-T-O-M-E-T-E-R.

Definition

  1. 1
    An instrument used to measure the intensity of electromagnetic radiation at different wavelengths.

Etymology

From spectro- + photometer.

This word in other languages

spectrophotomètre(Français)

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 "spectrophotometer"?
"spectrophotometer" is spelled S-P-E-C-T-R-O-P-H-O-T-O-M-E-T-E-R.
What does "spectrophotometer" mean?
As a noun, "spectrophotometer" means: An instrument used to measure the intensity of electromagnetic radiation at different wavelengths.
What is the origin of the word "spectrophotometer"?
From spectro- + photometer. 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 "spectrophotometer", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 17 letters (nearest by frequency rank).

electroconvulsive#90,402interrelationship#90,583phosphodiesterase#88,710opportunistically#88,677

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

Source: FrequencyWords open word-frequency list