竜の落とし子, 竜の落し子, 竜の落子, 竜落子: a sea horse (fish)

Gotland

Breton language

a go board

(chemistry, organic chemistry) polymer

Japanese pseudo-anglicisms: Japanese coinages using English roots, not in use in anglophone countries nor by English native speakers, but only by speakers of Japanese

(physics) short for 原子核融合 (genshikaku yūgō): (atomic) nuclear fusion / (biology) karyogamy, the fusion of cellular nuclei when a sperm cell meets an egg cell

(physiology) the speech center

extra (extra edition of a newspaper)

twins