perusal, a reading

read once, peruse

temporary

location, position

one, 1 / the first in order, foremost / the beginning / the best / a kind of; one of something / (card games) an ace / unity / the bottom string of a shamisen or other Japanese musical instrument

by any chance, just in case

a one in a million occurrence

(grammar) Short for 上一段活用 (kami ichidan katsuyō): upper monograde conjugation

a linear equation

(one) generation; lifetime; age