stoichiometry
/ˌstɔɪ.kiˈɒm.ə.tɹi/
"stoichiometry" is a 13-letter English headword indexed on PlainSpell.
The verdict
“stoichiometry” is uncommon English (frequency #80,004 among 54,294 “S” headwords), classed as a noun. The kind of spelling people second-guess.
- #80,004
- frequency rank, English
- 54,294
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The study and calculation of quantitative (measurable) relationships of the reactants and products in chemical reactions (chemical equations).
| Property | Value |
|---|---|
| Headword | stoichiometry |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌstɔɪ.kiˈɒm.ə.tɹi/ |
| Letters | 13 |
| Frequency rank | #80,004 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “stoichiometry” sits in English frequency
Rare enough to double-check
stoichiometry is uncommon English at frequency #80,004 among 54,294 “S” headwords, classed as anoun, transcribed /ˌstɔɪ.kiˈɒm.ə.tɹi/. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for stoichiometry, since its letter sequence doesn't invite the usual edit-distance slips. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: Coined as German Stöchiometrie by Jeremias Benjamin Richter in 1792. From Ancient Greek στοιχεῖον (stoikheîon, “element”) + -metry. The correct English form is stoichiometry, spelled S-T-O-I-C-H-I-O-M-E-T-R-Y.
Definition
- 1The study and calculation of quantitative (measurable) relationships of the reactants and products in chemical reactions (chemical equations).
- 2The quantitative relationship between the reactants and products of a specific reaction or equation.
Etymology
Coined as German Stöchiometrie by Jeremias Benjamin Richter in 1792. From Ancient Greek στοιχεῖον (stoikheîon, “element”) + -metry.
This word in other languages
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
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Using “stoichiometry”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-T-O-I-C-H-I-O-M-E-T-R-Y - every other letter order is a misspelling in standard orthography.
- Say it as /ˌstɔɪ.kiˈɒm.ə.tɹi/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.