petrosphere

名词 n.
中文释义

英文释义

名词 n.
  1. Any roughly spherical artefact made of stone.

词形变化

petrospheres plural

词源

Etymology tree
Latin petrader.
English petro-
Ancient Greek σφαῖρᾰ (sphaîră)bor.
Latin sphaera
Late Latin sphērader.
Old French spherebor.
Middle English spere
English sphere
English -sphere
English petrosphere
From petro- + -sphere.
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