"Full maturity" refers to the state of being fully grown, developed, or reaching the highest level of ability or potential in a specific area. Full definition
Warning: Dog bites and serious aggression show up as serious problems with most dog bites occurring when the dog reaches full maturity at 2 to 4 years of age. (animalbehavior.net)
This process slowly falls back again at full maturity of the coconut. (mindbodygreen.com)
A first breeding can occur at 18 months to 2 years if the dog reached full maturity in a year. (breedingbusiness.com)