黒点 こくてん Meanings Noun black spot; dark spot sunspot Kanji 黒 black. Read as コク. 点 point. Read as テン. Example sentences 太陽の黒点を観察しよう。Let's observe sunspots. 今の太陽の活動は低調ですが、それでも時々大きな黒点が現れます。The sun is currently in a period of low activity but even so large sunspots occasionally appear. Words containing 黒点 太陽黒点 (たいようこくてん) sunspot 黒点周期 (こくてんしゅうき) sunspot cycle Jinuma: Japanese Dictionary · Word lists