Prime

最初

saisho

(first in time, order, or sequence)

最良

sairyō

(first in excellence, quality, or value)

最適

saiteki

(first in excellence, quality, or value)

最重要

saijūyō

(first in importance, degree, or rank)

最高

saikō

(first in excellence, quality, or value)

第一

daiichi

(first in time, order, or sequence)

第一級

daiikkyū

(first in excellence, quality, or value)

第一級

daiikkyū

(first in importance, degree, or rank)

素

so

(mathematics: having no factors except itself and unity)

素

so

(mathematics: having its complement closed under multiplication)

素数

sosū

(mathematics: having no factors except itself and unity)

主音

shuon

(music: first note or tone of a musical scale)

初期

shoki

(earliest stage)

原始

genshi

(earliest stage)

最初

saisho

(earliest stage)

最盛期

saiseiki

(most active, thriving, or successful stage or period)

第一の構え

daiichi no kamae

(fencing: first defensive position)

素

so

(algebra: prime element of a mathematical structure)

下塗りする

shitanuri suru

(to apply a coat of primer paint to)

準備する

junbi suru

(to prepare a mechanism)

用意する

yōi suru

(to prepare a mechanism)