1Plus; addition — the concept of adding something, used as a noun, prefix/suffix, or in the verbal phrase '~をプラスする' (to add ~).
2プラス3は5です。
Two plus three is five.
参加費に飲み物代をプラスして払った。
I paid the participation fee plus the drink charge.
そのボーナスは来月の給料にプラスされる予定だ。
That bonus is scheduled to be added to next month's salary.
2Positive (number) — a value above zero; also used colloquially like 'plus X degrees' for temperatures.
今日は氷点下ではなくプラス5度くらいある。
Today it's not below freezing; it's about plus five degrees.
口座の残高がようやくプラスになった。
My account balance finally turned positive.
3The plus sign (+) itself — the symbol indicating a positive value or addition.
電池の表示ではプラスがこの記号「＋」で示される。
On battery labels, the plus terminal is marked with this symbol '+'.
4An advantage or positive factor — something that works in favor of a person or situation.
英語が話せることは採用において大きなプラスになる。
Being able to speak English is a big plus in hiring.
彼の経験はチームにとってプラスに働いた。
His experience worked as a plus for the team.
5Profit or gain — indicating a positive financial result, especially in accounting or business performance contexts.
今期はコスト削減で会社にプラスが出た。
This term the company made a gain thanks to cost reductions.
6The positive terminal or anode in electrical contexts, used on circuit diagrams and device labels.
乾電池のプラス端子は外側、マイナス端子は内側にあることが多い。
On many dry-cell batteries, the plus terminal is on the outside and the minus on the inside.
7A positive (test) result — indicating that a medical test or screening came back positive.
コロナの抗原検査がプラスだったため、医師の診察を受けた。
Because the COVID antigen test was positive, I saw a doctor.