pu·bes·cence /pjuˈbɛsṇ(t)s/ 名詞
1. The quality or state of being pubescent, or of having arrived at puberty.
2. A covering of soft short hairs, or down, as one some plants and insects; also, the state of being so covered.
n : the time of life when sex glands become functional [syn: puberty]