fugacity
/fjuːˈɡæsɪti/
"fugacity" is a 8-letter English headword indexed on PlainSpell.
The verdict
“fugacity” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A measure of the tendency of a fluid to expand or escape.
Corpus desk
Index EN-fugacity · fugacity · English
fugacity · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 8 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "F" 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 | fugacity |
| Language | English |
| Part of speech | Noun |
| IPA | /fjuːˈɡæsɪti/ |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “fugacity” in English
Rare enough to double-check
fugacity is uncommon English outside the top frequency list, classed as anoun, transcribed /fjuːˈɡæsɪti/. Rarity is why readers land here mid-draft. 3 senses are on record.
No misspelling variants are generated for fugacity in our index, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, a sign it's visually distinctive enough not to be mixed up with another word.
This entry carries no recorded etymology, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is fugacity, spelled F-U-G-A-C-I-T-Y.
Definition
- 1A measure of the tendency of a fluid to expand or escape.
- 2A measure of the relative stability of different phases of a substance under the same conditions.
- 3Transience.
Recorded use
Wiktionary exampleThese source excerpts show how fugacity appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Duke Orbal disallowed it on the grounds of fugacity.
Synonyms
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.