(neologism) Alternative spelling of 私 (watashi)

the Phanerozoic eon

the Seven Generations of Heavenly Gods, including 国常立 (Kuni no Tokotachi) of the first, 豊雲野 (Toyokumono) of the second, 埿土煮 (Uijini) and his sister 沙土煮 (Suijini) of the third, 角杙 (Tsunogui) and his sister 活杙 (Ikugui) of the fourth, 大戸之道 (Ōto no Ji) and his sister 大戸之部 (Ōto no Be) of the fifth, 面足 (Omodaru) and his sister 綾惶根 (Ayakashikone) of the sixth, and 伊弉諾 (Izanagi) and his sister 伊弉冉 (Izanami) of the seventh

once-in-a-lifetime (event)

Kyūjitai form of 代数学 (“algebra”)

things resembling each other

三角定規: set square

酸無水物: (chemistry) acid anhydride

酸性酸化物: (chemistry) acidic oxide

低級脂肪酸: (biochemistry) lower fatty acid