Meanings

uranium dioxide

second foreign language

dimer

twentieth day of the first month (end of New Year celebrations, upon which remaining New Year's food is eaten, decorations are stowed away, etc.)

dichromic acid

dual nature

Buddhist theory of the twelve-fold chain of causation, interdependent origination and co-dependent arising (San: pratītya-samutpāda)

200 metre individual medley (swimming)

wholesomeness while meditating and in one's daily affairs

middle pine tree to a noh stage (of the three placed in front of the bridge walkway)

two-country model (esp. China and Taiwan)

double collision

twelve devas (esp. of the Shingon sect)

second play on the program

second play on the program

two thirds

double jeopardy

motorcycle (with a displacement of 50cc or more)

nishimuku samurai (mnemonic for remembering the months with fewer than 31 days)

biracial