地水火風空: the five elements in Japanese philosophy (especially in Buddhism): earth, water, fire, wind, and void

北欧諸国: Nordic countries

Alternative form of クォーク (kwōku, “quark”) (an elementary subatomic particle which forms matter)

(topology) topological space / (mathematics, physics) phase space

Synonym of 新撰万葉集 (Shinsen Man'yōshū): a 私撰和歌集 (shisen wakashū, “privately-compiled waka anthology”) in two volumes in which the poems are completely written in 万葉仮名 (man'yōgana)

lunar palace of the Hindu god Chandra

(Buddhism) Avalokiteshvara, the bodhisattva of compassion

surface-to-air missile

(government, historical) the highest governing body under the 律令 (Ritsuryō) system between the Nara and Edo periods / (government, historical, colloquial) Same as だじょうかん (Dajō-kan) below

quarterly publication