singular
(mineralogy) An orthorhombic-dipyramidal mineral containing arsenic, chlorine, copper, oxygen, and vanadium.
Opposing communism.
(grammar) A form of a word that refers to only one person or thing. / (logic) That which is not general; a specific determinate instance.
(archaic) The skill or practice of caring for children in a kindergarten.
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DiQt（ディクト）
無料
★★★★★★★★★★
