nonage

n [U] (fml 文) state of being under full legal age; minority(2) 未成年.

non-flammable, non-interference, non-iron, non-observance, non-payment, non-poisonous, non-proliferation, non-resident, non-skid, non-smoker, non-smoking, non-starter, non-stick, non-stop, non-U, non-union, non-verbal, non-violence, non-violent, non-white, nonagenarian, nonce, nonce-word, nonchalance, nonchalant, nonchalantly, noncommittal, nonconformist, nonconformity, noncontemporaneous, nondescript, none, none but, none other than, none the less, none too, nonentity, nonesuch (also nonsuch), nonetheless, nonexistent,