retron
noun
retron is spelled R-E-T-R-O-N: 6 letters. It appears about once in every 79 million words in written English, the 282,993rd most frequent word form (wordfreq, 2021 data). As a noun, retron means “A sequence of DNA associated with reverse transcription” (English Wiktionary, September 2026). The plural of retron is retrons.
How many letters and syllables are in retron?
| Letters | 6: R-E-T-R-O-N |
|---|---|
| In writing | about once in every 79 million words; the 282,993rd 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 retron?
Retron appears about once in every 79 million words in written English, the 282,993rd 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 retron
- retrons plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does retron mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A sequence of DNA associated with reverse transcription
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Retron in Spanish, French, German and Portuguese
In the sense Translations:
| Language | Words |
|---|---|
| French | rétron |
| Portuguese | retron |
| Spanish | retrón |
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 retron come from?
Coined in 1985 by Elias James Corey from retro-synthon (Elias James Corey, Alan K. Long, Stewart D. Rubenstein, “Computer-assisted analysis in organic synthesis”, Science, 1985, 228(4698), p. 408-418 doi 10.1126/science.3838594).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).