adapalene
/əˈdæp.əˌlin/noun
adapalene is spelled A-D-A-P-A-L-E-N-E: 9 letters and 4 syllables. It appears about once in every 32 million words in written English, the 173,967th most frequent word form (wordfreq, 2021 data). As a noun, adapalene means “A retinoid C₂₈H₂₈O₃ applied topically to the skin in the treatment of acne vulgaris. It is marketed under the trademark Differin and when used in…” (English Wiktionary, September 2026).
How many letters and syllables are in adapalene?
| Letters | 9: A-D-A-P-A-L-E-N-E |
|---|---|
| Syllables | 4 (from its pronunciation) |
| In writing | about once in every 32 million words; the 173,967th 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 adapalene?
Adapalene appears about once in every 32 million words in written English, the 173,967th 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).
How do you pronounce adapalene?
- US /əˈdæp.əˌlin/
Adapalene has 4 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does adapalene mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A retinoid C₂₈H₂₈O₃ applied topically to the skin in the treatment of acne vulgaris. It is marketed under the trademark Differin and when used in combination with benzoyl peroxide, under the trademark Epiduo.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Adapalene in Spanish, French, German and Portuguese
In the sense Translations:
| Language | Words |
|---|---|
| German | Adapalen |
| Portuguese | adapaleno |
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 adapalene come from?
Probably from ada(mantyl) + p(henyl) + (naphth)alene.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).