円

50 yen coin

pie graph; pie chart

Archeology

keyhole-shaped ancient Japanese tumulus

Medicine

alopecia areata; spot baldness

discus throw

2,000 yen bill

amphitheater; amphitheatre

family happiness; household harmony

appreciation of the yen against the (American) dollar

Astronomy

elliptical orbit

amicable resignation (retirement); resigning (retiring) from one's job of one's free will

swinging log; horizontal bar

Yojijukugo

suave; tactful; smooth

versatile; adaptable

Buddhism

adarsa-jnana (great-perfect-mirror wisdom, wisdom clearly elucidating all things)

Proverb

take care of the penny; he who makes fun of one yen will cry at one yen

yen symbol; yen sign

(things) being complete, tranquil, and in harmony

Mathematics

elliptic curve

to form a circle

being perfectly happy and prosperous; wealth and happiness

Abbreviation

hundred-yen store; 100 yen store

burial mound with square flat base and round top

spheroid

Mathematics

superellipse