Definition that contains chronological age
- iq a measure of a person's intelligence as indicated by an intelligence test; the ratio of a person's mental age to their chronological age (multiplied by 100)
- i.q. a measure of a person's intelligence as indicated by an intelligence test; the ratio of a person's mental age to their chronological age (multiplied by 100)
- intelligence quotient a measure of a person's intelligence as indicated by an intelligence test; the ratio of a person's mental age to their chronological age (multiplied by 100)
- bone age a person's age measured by matching their bone development (as shown by X rays) with bone development of an average person of known chronological age