(organic chemistry) shogaol

ingredient / (mathematics) entity

one thing

all (of something), everything

oar

(informal) all-nighter / (informal) operating or staying up all night, all-night

(informal) pull an all-nighter

slicked-back hairstyle

songbun (a system of ascribed status in North Korea, based on one's political, social, and economic background and the behaviour of relatives)

first, initial / one-eyed