undergo a chemical change

chemical reaction, chemical change

a Chinese character substituted for the original character used in a written expression, usually replacing a complex character with a simpler one

a toothpick

baby, infant / toddler / (law) child, person(s) from one-year-old to entrance into elementary school under the Japanese Child Welfare Law (児童福祉法)

adopted daughter

(mineralogy) antigorite

a little girl, young girl

errand; business

(historical) under the 律令 (Ritsuryō) system, a position in the 陰陽寮 (On'yōryō) who specialized in Chinese-influenced astrology, cosmology, divination, and other occult practices