(physics) world line

fourth (4th), number four

the ninth

(music, colloquial) Clipping of 交響曲第九番ニ短調 (Kōkyōkyoku Daikuban Ni-tanchō): Beethoven’s Ninth Symphony in D minor

second (2nd), number two

the Tertiary period

passing an examination

to pass an examination

a crescent moon on the third day of a lunar month, especially on the eighth lunar month / (by extension) Short for 三日月形 (mikazuki-gata): a crescent moon in general

the first / (mathematics, attributive) the quality of being first-degree