synestia

发音

/sɪˈnɛstɪə/

词形变化

synestias 复数 synestias

释义与例句

n.
  1. 1.

    A donut-shaped body of vaporized and molten rock formed from the collision of two planet-sized objects.

    天文

词源

From syn- (“together”) + Hestia.

来源：wiktionary