radiolarian
/ˌɹeɪ.di.oʊˈlɛɹi.ən/noun
radiolarian is spelled R-A-D-I-O-L-A-R-I-A-N: 11 letters. It appears about once in every 41 million words in written English, the 196,618th most frequent word form (wordfreq, 2021 data). As a noun, radiolarian means “Any of many marine amoeboid protozoa, of subclass Radiolaria, having filamentous pseudopodia; they have intricate silica skeletons” (English Wiktionary, September 2026). The plural of radiolarian is radiolarians.
How many letters and syllables are in radiolarian?
| Letters | 11: R-A-D-I-O-L-A-R-I-A-N |
|---|---|
| In writing | about once in every 41 million words; the 196,618th 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 radiolarian?
Radiolarian appears about once in every 41 million words in written English, the 196,618th 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 radiolarian?
- UK /ˌɹeɪ.di.ə(ʊ)ˈlɛəɹi.ən/
- US /ˌɹeɪ.di.oʊˈlɛɹi.ən/
- US /ˌɹeɪ.di.əˈ-/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What rhymes with radiolarian?
The 12 most written words on PlainSpell end in the same sounds as radiolarian from its last stressed vowel (/ɛɹiən/):
- humanitarian
- Bulgarian
- vegetarian
- authoritarian
- ovarian
- sectarian
- totalitarian
- veterinarian
- bavarian
- egalitarian
- unitarian
- antiquarian
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 radiolarian
- radiolarians plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does radiolarian mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any of many marine amoeboid protozoa, of subclass Radiolaria, having filamentous pseudopodia; they have intricate silica skeletons.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Radiolarian in Spanish, French, German and Portuguese
In the sense marine protozoa:
| Language | Words |
|---|---|
| French | radiolaire |
| German | Strahlentierchen, Radiolarie |
| Portuguese | radiolário |
| Spanish | radiolario |
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 radiolarian come from?
From Translingual Radiolaria + English -an.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).