二

Mathematics

regular icosahedron

Kobo Daishi is always with me (written on the hats of Shikoku pilgrims)

(tiny) house about nine feet wide and 12 feet deep

twelve signs of the zodiac

motorcycle (with a displacement of 50cc or more); motorbike

rolling a two and four (with two dice)

Jocular, humorous term

six

Computing

binary digits

last two figures of a number

full two-story house

Habutae mochi; mochi smooth and white like habutae silk

jonidan (second lowest) division

Physics

second law of thermodynamics

first system to rank officials into 12 levels (603 CE)

Christianity

Twelfth Night; Epiphany Eve

Work of art, literature, music, etc. name

Twelfth Night (comedy by William Shakespeare); Twelfth Night, or What You Will

secondary industry

Mahjong

declaring that one is one tile away from winning on one's first discard and before any tiles have been called or kongs declared

being one step away from victory, with two paths to achieve it

mind-body dualism

Computing

Y2K bug; year 2000 problem

uranium-238 (U-238)

the 72 microseasons of the year based on the 24 solar seasons further divided into 3

recent graduate looking to change jobs

Abbreviation; Abbr. of 単二型乾電池

C battery; C cell

Mathematics

dodecahedron