熱陰極

ねついんきょく

hot cathode

極極

ごくごく

extremely, highly

極

ごく きょく

climax, extreme, extremity, culmination, height, zenith, nadir

極楽極楽

ごくらくごくらく

It's absolute heaven, It's sheer bliss

熱

ねつ

heat

潜熱蓄熱

せんねつちくねつ

latent heat storage

極意

ごくい

deepest level (of an art, skill, etc.), secret teachings, mysteries, innermost secrets, the secret (of success, etc.)

極暑

ごくしょ ごく しょ

intense heat, hottest season, peak of summer's heat

太極

たいきょく

taiji (in Chinese philosophy, the principle that embodies all potential things, incl. time and space)

極月

ごくげつ

last month of the year, December

極太

ごくぶと

very thick, something extremely thick

寒極

かんきょく さむごく

a place of extreme cold

極量

きょくりょう

maximum dose

極論

きょくろん

extreme logic, extreme argument, unreserved argument

極左

きょくさ

extreme left, ultraleft

極流

きょくりゅう

polar current

極希

ごくまれ

extremely rare

極刑

きょっけい

capital punishment, extreme penalty, ultimate punishment

極薄

きょくはく ごくうす

ultrathinness