ochronosis

English

Etymology

Borrowed from German Ochronosis, from Ancient Greek ὠχρός (ōkhrós, “pale yellow, sallow”) +‎ Ancient Greek νόσος (nósos, “sickness, disease, plague”) +‎ -osis (“disease, condition”).

Pronunciation

(Received Pronunciation) IPA^(key): /ˌəʊ.kɹə(ʊ)ˈnəʊ.sɪs/
(General American) IPA^(key): /ˌoʊ.kɹəˈnoʊ.sɪs/
Rhymes: -əʊsɪs

Noun

ochronosis (uncountable)

(medicine, pharmacology) Abnormal brown pigmentation of tissue (especially cartilage and ligaments), specifically that resulting from the accumulation of a melanin-like pigment derived from homogentisic acid in the metabolic disorder alkaptonuria.

References

“ochronosis”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
“ochronosis”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

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