mateine
"mateine" is a 7-letter English headword indexed on PlainSpell.
The verdict
“mateine” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 7
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Caffeine extracted from maté plant.
Corpus desk
Index EN-mateine · mateine · English
mateine · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 7 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "M" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | mateine |
| Language | English |
| Part of speech | Noun |
| Letters | 7 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “mateine” in English
Rare enough to double-check
mateine is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
mateine doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From maté + -ine. The correct English form is mateine, spelled M-A-T-E-I-N-E.
Definition
- 1Caffeine extracted from maté plant.
- 2A hypothetical xanthine alkaloid said to be found in maté, supposed to resemble caffeine.
Recorded use
Wiktionary examplesThese source excerpts show how mateine appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Caffeine is a xanthine alkaloid compound that acts as a stimulant in humans. Caffeine is sometimes called guaranine when found in guarana, mateine when found in mate, and theine when found in tea.
Unlike tea and coffee, however, it does not contain caffeine. Instead, its main active ingredient is a xanthine alkaloid known as mateine.
Etymology
From maté + -ine.
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). See the methodology for how each field is sourced and updated.