市街化区域 しがいかくいき Meanings Noun area zoned for urbanization (urbanisation) See also: 市街化調整区域 (しがいかちょうせいくいき). Kanji 市 city. Read as シ. 街 street. Read as ガイ. 化 transform 区 district 域 region. Read as イキ. Word lists Law Jinuma: Japanese Dictionary · Word lists