photoactivation
noun
photoactivation is spelled P-H-O-T-O-A-C-T-I-V-A-T-I-O-N: 15 letters. It appears about once in every 95 million words in written English, the 313,259th most frequent word form (wordfreq, 2021 data). As a noun, photoactivation means “The absorption of energy from a photon in raising a molecule (or chromophore) from the ground state; especially the first stage of photosynthesis in…” (English Wiktionary, September 2026). The plural of photoactivation is photoactivations.
How many letters and syllables are in photoactivation?
| Letters | 15: P-H-O-T-O-A-C-T-I-V-A-T-I-O-N |
|---|---|
| In writing | about once in every 95 million words; the 313,259th 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 photoactivation?
Photoactivation appears about once in every 95 million words in written English, the 313,259th 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 photoactivation
- photoactivations plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does photoactivation mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The absorption of energy from a photon in raising a molecule (or chromophore) from the ground state; especially the first stage of photosynthesis in which energy is absorbed by chlorophyll
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).