na-adjective
local; localized; partial; topical
Describes something limited to a specific area or part, not widespread. Often used in technical contexts like medicine (topical application) or weather (localized rain).
局所的な大雨に注意してください。
Please be careful of localized heavy rain.
この薬は局所的に塗って
Apply this medicine topically.
部分的 also means 'partial', but 局所的 emphasizes being limited to a specific location or spot, whereas 部分的 can refer to any part of a whole.
Formed from 局所 (local area) + 的 (adjectival suffix).