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alkaline-earth metal
alkaline phosphatase
alkalinity
alkalize
alkaloid
alkalosis
alkane
alkanet
alkaptonuria
alkene
alkie
alkoxide
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alkyl
alkylating agent
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alkaptonuria

al·kap·to·nu·ri·a [ al kàptə nree ə ]


noun 
Definition:
 
1. genetic disease leading to osteoarthritis: a genetic disease in which urine turns black on exposure to light or alkali and joint cartilage becomes brittle and easily worn away and affected by a form of osteoarthritis

2. genetic disease: a rare genetic disease characterized by arthritis and the destruction of connective tissue and bone

[Late 19th century. < German Alkapton, an acid + -uria]
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