日光反射信号 にっこうはんしゃしんごう Meanings Noun heliogram Kanji 日 day. Read as ニチ. 光 light. Read as コウ. 反 anti-. Read as ハン. 射 shoot. Read as シャ. 信 trust. Read as シン. 号 sign. Read as ゴウ. Jinuma: Japanese Dictionary · Word lists