diastema

n. (牙齿等的)间隙裂

发音

/daɪəˈstiːmə/

词形变化

diastemas 复数 diastemas diastemata diastemata 复数

释义与例句

n.
  1. 1.

    A gap or space between two adjacent teeth, especially the upper front incisors (in humans).

    医学
  2. 2.

    A gap between teeth of different types, e.g. incisors and molars, which is a feature of some rodents and ungulates.

    医学 生物 动物学
  3. 3.

    Any abnormal space, fissure, or cleft in an organ or other part of the body.

    医学
  4. 4.

    The modified protoplasm at the equator of a cell, existing before mitotic division.

    生物 医学

词汇关系

名词

上位词 2

opening gap

词源

From Late Latin, from Ancient Greek διάστημα (diástēma, “interval, space between”). Compare diastasis.

来源：wiktionary