はんちょうけい
Meanings
Noun
1. semi-major axis
Kanji used
half
long
shape
Pitch accent
んちょうけい
Composed of
half; semi-; half-past; odd number; (arch.) unit of land area (595.8 m^2)
head; chief; merit; strong point; superiority; major
form; tense; adjective; i-adjective (in Japanese)