(mathematics) equilateral triangle

biocentrism (cosmological theory)

incorruptibility, clean hands

incorruptible; clean-handed

nanshin, Imperial Japan's policy of southern expansionism towards southeast Asia and the Pacific Islands

暗黒星雲: a type of interstellar cloud that is so dense that it obscures light from background stars; a dark nebula

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

出身成分: songbun

(oceanography) the North Atlantic Current

(marine biology) Synonym of ネクトン (nekuton, “nekton”)