IMPROVED

pp. Made better, wiser or more excellent; advanced immoral worth, knowledge or manners. 1. Made better; advanced in fertility or other good qualities.
2. Used to profit or good purpose; as opportunities of learning improved.
3. Used; occupied; as improved land.

improved

im pr ó ved 形容詞 〖通例 名詞 の前で 〗改良 [改善 ]された, 以前より良くなった ▸ an improved variety 改良品種