Meanings

one suit of armour (armor)

first knuckle joint

simultaneous contemplation of the threefold truth (form of Tendai meditation)

each

monopole

Sincerely yours (with the nuance of "please excuse the brevity of this letter")

to establish a school of

first time

nine shallow, one deep (ancient Chinese sexual technique)

primary circuit

adenosine monophosphate (AMP)

first philosophy

identity philosophy

unibrow

combined junior high and high school

conjugation (inflection, declension) of ichidan verbs ending in "eru"

(doing) together

one summer (during which a monk attends a summer retreat)

conjugation (inflection, declension) of ichidan verbs ending in "iru"

General Agreement on Tariffs and Trade (abolished in 1995)