Meanings

cylindrical coordinates

forecast center position (of a typhoon, etc.)

yen-denominated (e.g. bond)

cone of influence

barrel printer

disc-like molecule

to smooth

cylindruria

circle painted with a single stroke in Zen calligraphy (representing the perfect peace of mind)

disc clutch

rounded vowel

disk

epicycle

eccentric circle

perfect circle

new yen (issued in 1946 to fight inflation)

burial mound with square flat base and round top

accretion disc

recession caused by the strong yen

flying saucer