Last Updated:2025/11/21
(countable, mathematics) A subset of a space which is a space in its own right. / (uncountable, science fiction) Any (often unspecified) method of communicating or travelling faster than light speed.
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Source Word
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Noun
countable
uncountable
Japanese Meaning
数学:空間の部分集合で、それ自体が独立した空間となるもの / SF:光速を超えた通信または移動の手段や方法
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( plural )