(n) atomic number
(n) amusement program
amusement programme
(n) Oniwaban
the Shogunate's "guard of the inner garden"
(adv) alternately
(n) alternating stress
(n) (obsc) alternating current
AC
(n) account number (bank, etc.)
(P)
(n) the crucial moment
the moment of truth
a do-or-die situation
a crucial juncture (stage)
(n) seat number
(n) asset register number
(n) the thirty guardian deities (a different one for each day)
(n) a row of training matches with the same opponent (sumo)
(n) newly recruited sumo wrestlers in the third round of presentation after mae-zumo
(n) three-game match
three-bout contest
a rubber (in a card game)
(n) (telephone) area code
(iK) (n) (telephone) area code
(n) (comp) local office number
(n) asset register number
(n) (comp) identification number
(n) examinee's (seat) number
(n) (comp) sequence-number
(n) (comp) sequence check
(exp) waiting one's turn
(n) item number
product ID number
reference number
(n) (comp) collating sequence
(n) last five matches of makushita division wrestlers (sumo)
(n) night watch
night watchman
(n) popular (hit) program (programme)
(n) reference number
(n) (manufacturer's) serial number