Robertsonian
/ˌɹɑbɚtˈsoʊ.ni.ən/adjective
Robertsonian is spelled R-O-B-E-R-T-S-O-N-I-A-N: 12 letters. It appears about once in every 93 million words in written English, the 309,272nd most frequent word form (wordfreq, 2021 data). As an adjective, Robertsonian means “Of or relating to William Rees Brebner Robertson (1881–1941), American zoologist and early cytogeneticist who first discovered the Robertsonian…” (English Wiktionary, September 2026).
How many letters and syllables are in Robertsonian?
| Letters | 12: R-O-B-E-R-T-S-O-N-I-A-N |
|---|---|
| In writing | about once in every 93 million words; the 309,272nd 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 Robertsonian?
Robertsonian appears about once in every 93 million words in written English, the 309,272nd 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 Robertsonian?
- UK /ˌɹɒbətˈsəʊ.ni.ən/
- US /ˌɹɑbɚtˈsoʊ.ni.ən/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What rhymes with Robertsonian?
The 12 most written words on PlainSpell end in the same sounds as Robertsonian from its last stressed vowel (/oʊniən/):
- Estonian
- Macedonian
- Caledonian
- Devonian
- draconian
- amazonian
- hamiltonian
- newtonian
- Ionian
- Jeffersonian
- Washingtonian
- jacksonian
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 Robertsonian
- more Robertsonian comparative
- most Robertsonian superlative
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does Robertsonian mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Of or relating to William Rees Brebner Robertson (1881–1941), American zoologist and early cytogeneticist who first discovered the Robertsonian translocation.
- 2
Of or relating to Sir Dennis Holme Robertson (1890–1963), English economist.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does Robertsonian come from?
From Robertson + -ian.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).