plural in form but singular in construction
: a deficiency disease that affects the young during the period of skeletal growth, is characterized especially by soft and deformed bones, and is caused by failure to assimilate and use calcium and phosphorus normally due to inadequate sunlight or vitamin D
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“Rickets.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rickets. Accessed 17 Sep. 2025.
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rickets
noun
rick·ets
ˈrik-əts 
: a disease of young people and animals in which the bones are soft and deformed due to an inability of the body to use calcium and phosphorus because of a lack of vitamin D
Medical Definition
rickets
noun, plural in form but singular in construction
rick·ets
ˈrik-əts
: a deficiency disease that affects the young during the period of skeletal growth, is characterized especially by soft and deformed bones, and is caused by failure to assimilate and use calcium and phosphorus normally due to inadequate sunlight or vitamin D
called also rachitis
see osteomalaciaLove words? Need even more definitions?
Merriam-Webster unabridged
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