Meanings

squid ink

Mexican-American War (1846-1848)

squid ink

ink painting style

vermillion stick

cuttlefish

water and ink

Mohism

centre line (usu. in buildings, joinery, etc.)

marbling print

Asian constable (species of butterfly, Dichorragia nesimachus)

indigo wax shaped as an inkstick

ink sac (in cephalopods)

event in which young men and women paint each others' cheeks with black ink or soot during Koshōgatsu (in the San'in region)

pitch and length marks (to accompany a Buddhist liturgical chant, etc.)

inkpot

person who has been tattooed as a punishment for a crime (Edo period)

standard black (in printing)

Confucius and Mozi (ancient Chinese philosophers)

Confucianism and Mohism