- 椭圆形 tuǒyuánxíng ovaloval; ellipse; an oval shape
- 半圆形 bànyuánxíng semicirclesemicircular shape; hemicycle
- 圆形动物 yuánxíngdòngwù roundworma member of the phylum of invertebrate animals characterized by long cylindrical bodies and commonly found in soil or as parasites
- 圆形建筑 yuánxíngjiànzhù rotundaa round building or a hall, often with a dome
- 圆形木材 yuánxíngmùcái loglog; round timber; circular wood
- 扁圆形 biǎnyuánxíng oblate shapean oblate or flattened circular shape; oblateness
- 椭圆形办公室 tuǒyuánxíngbàngōngshì Oval Officethe official office of the President of the United States in the White House
- 卵圆形 luǎnyuánxíng ovaloval; ellipsoidal
- 圆形剧场 yuánxíngjùchǎng amphitheaterA theater with a circular performance area surrounded by seating on all sides; common in ancient Greece and Rome.