Definition, Meaning & Synonyms
age-of-onset
noun
/ˈeɪdʒ əv ˈɒnˌsɛnt/

Definition
The age at which a person first experiences the symptoms of a particular condition or disorder.

Examples
- The age-of-onset for schizophrenia is often in the late teens to early twenties.
- Tracking the age-of-onset can help researchers understand genetic factors in diseases.
- Early intervention can be crucial depending on the age-of-onset of symptoms.

Meaning
It typically refers to the initial developmental stage at which a disease or disorder becomes noticeable.

Synonyms
- initial presentation
- onset age
- beginning of symptoms