Meaning of Frankfurt plane | Babel Free
Definitions
The anatomical position of the human skull, based on a plane passing through the inferior margin of the left orbit and the upper margin of each ear canal or external auditory meatus.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.