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(of a condition or symptom) gradually increasing in severity.‘Radiation-induced arteriopathy is an ingravescent chronic lesion involving a myointimal hyperplasia and a remarkable fibrosis of the arterial outer layers.’‘The diagnosis of Crohn's disease makes surgery mandatory in any form of the disease, because it is ingravescent.’
Early 19th century from Latin ingravescent- ‘growing heavy or worse’, from the verb ingravescere (based on gravis ‘heavy’).
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