compact

Japanese: コンパクト
compact
〘noun〙 (compact)① A type of portable makeup tool. Usually comes with a mirror and is designed to hold powder and a puff. ※Cosmetic Aesthetics (1924)〈Misu Yutaka〉 "One way of hiding makeup is to use a compact to smear all over the place to make it white, or to smear powder over paper so that there is no powder left."② (adjective-verb) Small, neat, and substantial. Also, the state of being so. ※Study of the Kitchen in a Small House (1939)〈Kurata Chikachu〉6 "The topic 'The Kitchen in a Small House' is an extremely appropriate topic, and seems like a good topic that predicts a compact plan."③ In mathematics, one of the properties of a subset of a topological space. If a subset of a topological space is covered by several open sets, and is always covered by a finite number of them, then the subset is said to be compact.

Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information

Japanese:
〘名〙 (compact)① 携帯用化粧用具の一つ。ふつう鏡付きで、おしろい、パフを入れるように作ってある。※化粧美学(1924)〈三須裕〉「コンパクトでそこら中を押へて白くするか、紙白粉で押へて白粉のないほどにつけるのも隠し化粧の一つでしゃう」② (形動) 小型できちんとまとまっていて、しかも充実していること。また、そのさま。※小住宅厨房の研究(1939)〈蔵田周忠〉六「『小住宅の厨房』といふ題目は極めて適切な問題であって、コムパクトなプランを予想する好個の題目の如く見えるのであるし」③ 数学で、位相空間の部分集合の性質の一つ。位相空間の部分集合が幾つかの開集合でおおわれたとき、必ずそのうちの有限個でおおわれるならば、その部分集合はコンパクトであるという。

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