photosensitivity
noun
photosensitivity is spelled P-H-O-T-O-S-E-N-S-I-T-I-V-I-T-Y: 16 letters. It appears about once in every 13 million words in written English, the 110,368th most frequent word form (wordfreq, 2021 data). As a noun, photosensitivity means “sensitivity to light, especially a heightened response to light” (English Wiktionary, September 2026). The plural of photosensitivity is photosensitivities.
How many letters and syllables are in photosensitivity?
| Letters | 16: P-H-O-T-O-S-E-N-S-I-T-I-V-I-T-Y |
|---|---|
| In writing | about once in every 13 million words; the 110,368th 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 photosensitivity?
Photosensitivity appears about once in every 13 million words in written English, the 110,368th 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 photosensitivity
- photosensitivities plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does photosensitivity mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
sensitivity to light, especially a heightened response to light
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does photosensitivity come from?
From photo- + sensitivity.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).