na-adjective, noun which may take the genitive case particle 'no', noun
General term for the highest degree or limit of something. Can be used as a noun, adjectival noun (na-adjective), or prenominal (no-adjective).
This machine delivers maximum output.
Extreme effort is required.
local maximum
Mathematics term for a local maximum of a function.
Find the local maximum of this function.
local maximum
Compound of 極 (extreme, pole) and 大 (large, great). The reading is on'yomi.