countably infinite
(set theory, of a set) That is both countable and infinite; having the same cardinality as the set of natural numbers; formally, such that a bijection exists from ℕ to the set.
A euphemistic synonym
plural of oligomeganephronia
Any of various stiff or reedy grasses. / A grassy area, grassland. / The old dried stalks of grasses.
アカウントを持っていませんか？ 新規登録
アカウントを持っていますか？ ログイン
DiQt（ディクト）
無料
★★★★★★★★★★
