Definition of pyramidion in English:

pyramidion

noun ˌpɪrəˈmɪdɪən

Chiefly Architecture and Archaeology. A small pyramid; especially (a) the pyramidal apex of an obelisk; (b) the capstone of a pyramid.

Origin

Mid 18th century; earliest use found in Thomas Shaw (1694–1751), traveller. From ancient Greek πυραμίδ-, πυραμίς pyramid + -ιον, diminutive suffix.

Definition of pyramidion in US English:

pyramidion

nounˌpɪrəˈmɪdɪən

Chiefly Architecture and Archaeology. A small pyramid; especially (a) the pyramidal apex of an obelisk; (b) the capstone of a pyramid.

Origin

Mid 18th century; earliest use found in Thomas Shaw (1694–1751), traveller. From ancient Greek πυραμίδ-, πυραμίς pyramid + -ιον, diminutive suffix.

词汇	pyramidion
释义	Definition of pyramidion in English: pyramidion noun ˌpɪrəˈmɪdɪən Chiefly Architecture and Archaeology. A small pyramid; especially (a) the pyramidal apex of an obelisk; (b) the capstone of a pyramid. Origin Mid 18th century; earliest use found in Thomas Shaw (1694–1751), traveller. From ancient Greek πυραμίδ-, πυραμίς pyramid + -ιον, diminutive suffix. Definition of pyramidion in US English: pyramidion nounˌpɪrəˈmɪdɪən Chiefly Architecture and Archaeology. A small pyramid; especially (a) the pyramidal apex of an obelisk; (b) the capstone of a pyramid. Origin Mid 18th century; earliest use found in Thomas Shaw (1694–1751), traveller. From ancient Greek πυραμίδ-, πυραμίς pyramid + -ιον, diminutive suffix.
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