acatalasian.
/ˌeɪkatəˈleɪzɪə/, /ˌeɪkatəˈleɪʒə/, U.S. /ˌeɪˌkædəˈleɪʒ(i)ə/, /ˌeɪˌkædəˈleɪziə/ Medicine.
Total or partial deficiency of the enzyme catalase in the blood and tissues, occurring as an inherited (autosomal dominant) disorder and sometimes associated with infection and ulceration of the gums and other oral tissues.
ΚΠ
1952 H. Nakamura et al. in Proc. Japan Acad. 28 60 This is not ‘Acatalasemia’, but ‘Acatalasia’.
1961 Experientia 17 466/1 Acatalasia, an inherited defect in the enzyme pattern of red cells and other tissues.
1987 D. J. Weatherall et al. Oxf. Textbk. Med. (ed. 2) I. ix. 43/1 Most subjects who are homozygous for one of the mutant genes causing acatalasia are asymptomatic.
2006 Oral Oncol. 42 669/1 Individuals who suffer from acatalasia where lack of catalase activity causes high endogenous H2O2 levels, suffer adverse effects.
This is a new entry (OED Third Edition, December 2011; most recently modified version published online December 2021).
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n.1952