tetrad   (TTS Sound)

The tetrad has 1 Senses.

• iv, little joe, quaternity, four, quaternary, tetrad, foursome, quadruplet, quaternion, quartet, 4, quatern
• 四分子, 四物, 四つ物, フォー, フォア, 四つ
• the cardinal number that is the sum of three and one
• 3と1の合計である基数