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(), a.[Gr. deltoeidh°s delta- shaped; de°lta the name of the letter + e'i^dos form: cf. F. deltode. See Delta.] Shaped like the Greek (delta); delta-shaped; triangular. Deltoid leaf (Bot.), a leaf in the form of a triangle with the stem inserted at the middle of the base. Deltoid muscle (Anat.), a triangular muscle in the shoulder which serves to move the arm directly upward. スポンサード リンク
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