Period

。

(punctation mark “.”)

ピリオド

piriodo

(punctation mark “.”)

句点

kuten

(punctation mark “.”)

周期

shūki

(length of time during which something repeats)

周期

shūki

(chemistry: row in the periodic table)

時代

jidai

(history: period of time seen as coherent entity)

時限

jigen

(division of school day)

期間

kikan

(a length of time)

紀

ki

(geochronologic unit)

終止符

shūshifu

(punctation mark “.”)