photopériodisme
French, noun\fo.to.pe.ʁjɔ.dism\
photopériodisme is spelled P-H-O-T-O-P-É-R-I-O-D-I-S-M-E (15 letters) and appears about once in every 95 million words in written French, the 304,757th most frequent French word form (wordfreq, 2021 data). Photopériodisme is a French masculine noun meaning “photoperiodism” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Rapport entre la durée du jour et de la nuit qui régule le cycle circadien”.
What does photopériodisme mean in English?
noun
- 1
masculinephotoperiodism
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Rapport entre la durée du jour et de la nuit qui régule le cycle circadien.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of photopériodisme
- photopériodismes plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce photopériodisme?
- \fo.to.pe.ʁjɔ.dism\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
How common is photopériodisme in French?
photopériodisme appears about once in every 95 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).