(Of a medical condition) occurring relatively early in life, especially as compared to a different form of the same condition; of, relating to, or affected by such a condition.
Origin
1950s; earliest use found in Proceedings of the Royal Society of Medicine.
Definition of early-onset in US English:
early-onset
adjective
(Of a medical condition) occurring relatively early in life, especially as compared to a different form of the same condition; of, relating to, or affected by such a condition.
Origin
1950s; earliest use found in Proceedings of the Royal Society of Medicine.