radiopaque
ra·di·o·paque/ˌɹeɪ̯.di.oʊ̯ˈpeɪ̯k/adjective
radiopaque is spelled R-A-D-I-O-P-A-Q-U-E: 10 letters and 4 syllables (ra·di·o·paque). It appears about once in every 32 million words in written English, the 173,967th most frequent word form (wordfreq, 2021 data). As an adjective, radiopaque means “Impenetrable to X-rays and other radiation” (English Wiktionary, September 2026).
How many letters and syllables are in radiopaque?
| Letters | 10: R-A-D-I-O-P-A-Q-U-E |
|---|---|
| Syllables | 4: ra·di·o·paque |
| In writing | about once in every 32 million words; the 173,967th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
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 radiopaque?
Radiopaque appears about once in every 32 million words in written English, the 173,967th 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).
How do you pronounce radiopaque?
- UK /ˌɹeɪ̯.diː.əʊ̯ˈpeɪ̯k/
- US /ˌɹeɪ̯.di.oʊ̯ˈpeɪ̯k/
- Australia /ˌɹæɪ̯.diː.ɐʉ̯ˈpæɪ̯k/
Radiopaque has 4 syllables, split ra·di·o·paque in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What rhymes with radiopaque?
The 12 most written words on PlainSpell end in the same sounds as radiopaque from its last stressed vowel (/eɪk/):
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 radiopaque
- more radiopaque comparative
- most radiopaque superlative
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does radiopaque mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Impenetrable to X-rays and other radiation.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does radiopaque come from?
From radi- (staff) + opaque. First attested in 1917.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).