- underchin
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n.
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Universalium. 2010.
underchin
Look at other dictionaries:
underchin — n … Useful english dictionary
Down syndrome — Pathol. a genetic disorder, associated with the presence of an extra chromosome 21, characterized by mild to severe mental retardation, weak muscle tone, a low nasal bridge, and epicanthic folds at the eyelids. Also, Down s syndrome. Formerly,… … Universalium
