keratosis
noun
ker·a·to·sis ˌker-ə-ˈtō-səs 
plural keratoses ˌker-ə-ˈtō-ˌsēz
: an area of skin marked by overgrowth of horny tissue
keratotic
ˌker-ə-ˈtä-tik
adjective 
Example Sentences
Recent Examples on the Web Most of the women in my family have long had keratosis pilaris, too. 
Frances Solá-santiago, refinery29.com, 13 July 2022 When used medically for treatment of actinic keratosis, the cost of photodynamic therapy may be covered by insurance, but don’t expect your insurance to cover it for acne, rosacea, or skin rejuvenation. Naomi Barr, SELF, 12 May 2022 In addition, frequent and intense stress causes gastric reflux in the vocal cords, which dry out due to the acidity and become covered with bumps (keratosis). Guillaume Jacquemont, Scientific American, 1 Nov. 2021 Many people experience keratosis pilaris (also known as KP), small rash-like bumps that are common on areas like the backs of the arms. April Franzino, Good Housekeeping, 27 Aug. 2021 Now, the little dots on your legs can also be keratosis pilaris (KP), but there is a way to distinguish this condition from some regular dark follicles. Jihan Forbes, Allure, 24 May 2021 While this is the first mask to be released under the SLMD label, the brand does have a full range of products, many targeted towards fighting breakouts and other common conditions like hyperpigmentation and keratosis pilaris. Sarah Midkiff, refinery29.com, 25 Feb. 2021 So what better time than quarantine to address the tiny sebum filled bumps populating my cheeks and keratosis pilaris along my arms? Talia Gutierrez, Glamour, 1 Jan. 2021 The American Cancer Society also said that UV light can cause premature aging and signs of damage such as wrinkles, leather skin, liver spots, actinic keratosis and solar elastosis. Adrianna Rodriguez, USA TODAY, 4 Aug. 2020 See More
Frances Solá-santiago, refinery29.com, 13 July 2022 When used medically for treatment of actinic keratosis, the cost of photodynamic therapy may be covered by insurance, but don’t expect your insurance to cover it for acne, rosacea, or skin rejuvenation. Naomi Barr, SELF, 12 May 2022 In addition, frequent and intense stress causes gastric reflux in the vocal cords, which dry out due to the acidity and become covered with bumps (keratosis). Guillaume Jacquemont, Scientific American, 1 Nov. 2021 Many people experience keratosis pilaris (also known as KP), small rash-like bumps that are common on areas like the backs of the arms. April Franzino, Good Housekeeping, 27 Aug. 2021 Now, the little dots on your legs can also be keratosis pilaris (KP), but there is a way to distinguish this condition from some regular dark follicles. Jihan Forbes, Allure, 24 May 2021 While this is the first mask to be released under the SLMD label, the brand does have a full range of products, many targeted towards fighting breakouts and other common conditions like hyperpigmentation and keratosis pilaris. Sarah Midkiff, refinery29.com, 25 Feb. 2021 So what better time than quarantine to address the tiny sebum filled bumps populating my cheeks and keratosis pilaris along my arms? Talia Gutierrez, Glamour, 1 Jan. 2021 The American Cancer Society also said that UV light can cause premature aging and signs of damage such as wrinkles, leather skin, liver spots, actinic keratosis and solar elastosis. Adrianna Rodriguez, USA TODAY, 4 Aug. 2020 See More Word History
Etymology
borrowed from German Keratose, from Greek kerat-, kéras "horn" + German -ose -osis — more at kerato-
Note: The term was promulgated, if not introduced, by the German physician Hermann Lebert (1813-78) in Ueber Keratose, oder die durch Bildung von Hornsubstanz erzeugten Krankheiten und ihre Behandlung, Breslau, 1864.
First Known Use
1888, in the meaning defined above
Medical Definition
keratosis
noun
ker·a·to·sis ˌker-ə-ˈtō-səs
plural keratoses -ˌsēz
1
: a disease of the skin marked by overgrowth of horny tissue
2
: an area of the skin affected with keratosis