transonic
adjective
transonic is spelled T-R-A-N-S-O-N-I-C: 9 letters. It appears about once in every 11 million words in written English, the 100,430th most frequent word form (wordfreq, 2021 data). As an adjective, transonic means “Just below, or just above, the speed of sound (0.8 < Ma < 1.2 approximately)” (English Wiktionary, September 2026).
How many letters and syllables are in transonic?
| Letters | 9: T-R-A-N-S-O-N-I-C |
|---|---|
| In writing | about once in every 11 million words; the 100,430th most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is transonic?
Transonic appears about once in every 11 million words in written English, the 100,430th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
What rhymes with transonic?
No other word on PlainSpell ends in the same sounds as transonic.
Spelled with the same letters in another order: constrain.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of transonic
- transsonic
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does transonic mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Just below, or just above, the speed of sound (0.8 < Ma < 1.2 approximately).
- 2
Passing from subsonic to supersonic, or vice versa.
- 3
Travelling through a fluid (commonly air) at a speed where regions of supersonic and subsonic flow coexist simultaneously over different portions of the surface of the moving object in question.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Transonic in Spanish, French, German and Portuguese
In the sense just above or below the speed of sound:
| Language | Words |
|---|---|
| French | transsonique |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does transonic come from?
From tran- + sonic.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).