interpenetration
"interpenetration" is a 16-letter English headword indexed on PlainSpell.
The verdict
“interpenetration” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 16
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The act of penetrating between or within other substances; mutual penetration.
Corpus desk
Index EN-interpenetration · interpenetration · English
interpenetration · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 16 letters
- VOW-7 7 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "I" 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 | interpenetration |
| Language | English |
| Part of speech | Noun |
| Letters | 16 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “interpenetration” in English
Rare enough to double-check
interpenetration is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
interpenetration doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From inter- + penetration. The correct English form is interpenetration, spelled I-N-T-E-R-P-E-N-E-T-R-A-T-I-O-N.
Definition
- 1The act of penetrating between or within other substances; mutual penetration.
- 2The situation of two or more bodies overlapping in three-dimensional space, with part of the bodies lying within each other.
Etymology
From inter- + penetration.
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.