isotretinoin
UK/ˌʌɪ.sə(ʊ).tɹəˈtɪn.əʊ.ɪn/US/ˌaɪ.soʊˈtɹɛt.ɪˌnoʊ.ɪn/
isotretinoin noun: a cis isomer of retinoic acid that is a synthetic derivative of vitamin A, inhibits sebaceous gland function and keratinization, and is used in the treatment of severe inflammatory acne but is contraindicated in pregnancy because of its implication as a cause of birth defects.

Noun
isotretinoin (uncountable)
- A cis isomer of retinoic acid that is a synthetic derivative of vitamin A, inhibits sebaceous gland function and keratinization, and is used in the treatment of severe inflammatory acne but is contraindicated in pregnancy because of its implication as a cause of birth defects.
- Synonyms:
- Accutane
Synonyms of isotretinoin
Origin of isotretinoin
From iso- + tretinoin.
Questions about isotretinoin
- What does isotretinoin mean?
- Isotretinoin means a cis isomer of retinoic acid that is a synthetic derivative of vitamin A, inhibits sebaceous gland function and keratinization, and is used in the treatment of severe inflammatory acne but is contraindicated in pregnancy because of its implication as a cause of birth defects.
- What part of speech is isotretinoin?
- Isotretinoin is a noun.
- How do you pronounce isotretinoin?
- Isotretinoin is pronounced /ˌʌɪ.sə(ʊ).tɹəˈtɪn.əʊ.ɪn/ (UK).
Words near isotretinoin in the dictionary
Source and license
Adapted from Wiktionary: isotretinoin (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “isotretinoin.” Word.ws, https://word.ws/isotretinoin. Based on Wiktionary, CC BY-SA 4.0.
