< Gr achrōmos < a-, not + chrōma, color (see chrome) + -ic
achromic in American English
(eiˈkroumɪk)
adjective
colorless; without coloring matter
Also: achromous
Word origin
[1755–65; a-6 + chromic]This word is first recorded in the period 1755–65. Other words that entered Englishat around the same time include: avalanche, buckeye, capitalize, caucus, mitt
Examples of 'achromic' in a sentence
achromic
Patients were followed for up to 6 months using clinical assessment of achromic lesions.
Pedro Redondo, Ana Giménez de Azcarate, Laura Marqués, María García-Guzman, EnriqueAndreu, Felipe Prósper 2011, 'Amniotic Membrane as a Scaffold for Melanocyte Transplantation in Patients with StableVitiligo', Dermatology Research and Practicehttp://dx.doi.org/10.1155/2011/532139. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
He showed achromic lesions on the skin and on skin appendages at birth.
Makoura Barro, Jean W. Diallo, Ad Bafa Ibrahim Ouattara, Boubacar Nacro 2017, 'Congenital vitiligo: A case observed in the cohort of HIV-exposed infants in Bobo-Dioulasso,Burkina Faso', Pediatric Reportshttp://www.pagepress.org/journals/index.php/pr/article/view/7300. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
No hamartomas or retinal achromic patches were noticed by ophthalmologic evaluation.
Hitoshi Nakano, Atsushi Otsuka, Masako Kinoshita 2015, 'A subtle case of tuberous sclerosis complex', Epilepsy and Behavior Case Reportshttp://www.sciencedirect.com/science/article/pii/S2213323215000365. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
After two years the patient developed achromic areas in normal skin, histologicallyconsistent with vitiligo.
Marina Leite da Silveira, Flávia Regina Ferreira, Marcia Lanzoni Alvarenga, SamuelHenrique Mandelbaum 2012, 'Association of giant congenital melanocytic nevus, halo nevus and vitiligo in a 75-year-oldpatient Associação de nevo melanocítico congênito gigante, nevo halo e vitiligo. Relatode caso em paciente de 75 anos', Anais Brasileiros de Dermatologiahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962012000200015. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Differentiating features of the dermatosis from classical incontinentia pigmenti, achromic nevus, piebaldism and vitiligo are briefly discussed.
K Pavithran 1984, 'Incontinentia Pigmenti Achromians (hypomelanosis of I to)', Indian Journal of Dermatology, Venereology and Leprologyhttp://www.ijdvl.com/article.asp?issn=0378-6323;year=1984;volume=50;issue=5;spage=223;epage=224;aulast=Pavithran;type=0. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The most common histologic type was represented by epithelioid cells, and the majority of the tumors were achromic.
Baderca F, Vincze D, Balica N, Solovan C 2014, 'Mucosal melanomas in the elderly: challenging cases and review of the literature',Clinical Interventions in Aginghttps://www.dovepress.com/nbspmucosal-melanomas-in-the-elderly-challenging-cases-and-review-of-t-peer-reviewed-article-CIA. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Dermoscopy of achromic pityriasis versicolor showed a fairly demarcated white area with fine scales localized in the skin creases.
Khitam Al-Refu 2018, 'Dermoscopy is a new diagnostic tool in diagnosis of common hypopigmented macular disease:a descriptive study', Dermatology Reportshttps://www.pagepress.org/journals/index.php/dr/article/view/7916. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
One year later, they developed hypopigmented and achromic spots on the areas affected by the vitiligo.
Nurimar Conceição Fernandes, Juliana Carnevale Pina 2010, 'Leucodermia punctata após tratamento com Puvasol tópico Leukoderma punctata followingtopical PUVAsol treatment', Anais Brasileiros de Dermatologiahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962010000400026. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)