Meanings

every hour on the hour

(on) the hour

positive charge

Bonferroni correction

fraud detection

politeness

thrusting technique

New Year (esp. first three days)

orthodontist

apparent noon

apparent noon

regular student (undergraduate or graduate)

exchange or research student (as opposed to regular undergraduate or graduate)

perfect circle

full-term birth

Act on Control and Improvement of Amusement Business, etc.

log-normal distribution

New Year's decorations

first seven days of the year

15th day of the New Year (when women would belatedly do their New Year's greetings or go back to their parents' homes; in Kyoto and Osaka)