兆

Kanji: 兆
Level: N1
Meaning: trillion
On'yomi: チョウ
Kun'yomi: きざ.す
Strokes: 6
Common compounds: 兆候 (ちょうこう) sign 一兆 (いっちょう) one trillion
Memory hook: Cracks on a turtle shell pointing to a future omen.