nondisjunction
noun
nondisjunction is spelled N-O-N-D-I-S-J-U-N-C-T-I-O-N: 14 letters. It appears about once in every 66 million words in written English, the 255,765th most frequent word form (wordfreq, 2021 data). As a noun, nondisjunction means “The failure of chromosome dyads or tetrads to separate properly during meiosis or mitosis” (English Wiktionary, September 2026). The plural of nondisjunction is nondisjunctions.
How many letters and syllables are in nondisjunction?
| Letters | 14: N-O-N-D-I-S-J-U-N-C-T-I-O-N |
|---|---|
| In writing | about once in every 66 million words; the 255,765th most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is nondisjunction?
Nondisjunction appears about once in every 66 million words in written English, the 255,765th 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).
Forms of nondisjunction
- nondisjunctions plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does nondisjunction mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The failure of chromosome dyads or tetrads to separate properly during meiosis or mitosis.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does nondisjunction come from?
From non- + disjunction.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).