英和和英

語源

From Latin deltoideus, which was in turn from Ancient Greek adjective δελτοειδής (deltoeidḗs). See also: δέλτα (délta), the fourth letter of the Greek alphabet.

発音

• (英国発音) IPA: /ˈdɛɫtɔɪd/

名詞

deltoid (plural deltoids)

1. (anatomy) The deltoid muscle, a triangular muscle on the human shoulder.

   Synonym: (slang) delt

2. (anatomy) The deltoid ligament, a triangular ligament on the human ankle.
3. (geometry) A kite (quadrilateral having two pairs of edges of equal length, the edges of each pair touching each other at one end).
4. (geometry) A deltoid curve (hypocycloid with three cusps).

派生語

形容詞

deltoid (not comparable)

1. In the shape of the uppercase Greek letter delta (Δ); triangular.
   1. (botany, of leaves) Of a triangular or roughly triangular shape and attached to the stem via the side.
2. Of or pertaining to the deltoid muscle.

派生語