ＰＣＢalso: ピーシービーFreq.FrequencyTop 50,000じ字FuriganaMeanings1nounpolychlorinated biphenyl; PCBchemistry›Chemical term for a group of toxic organic compounds; often discussed in environmental and regulatory contexts.See also: ポリ塩化ビフェニルＰＣＢは環かん境きょう中ちゅうで分ぶん解かいされにくい物ぶっ質しつです。PCBs are substances that are difficult to break down in the environment.2nounprinted circuit board; PCBelectronics›Electronics term for a board used to mechanically support and electrically connect electronic components.See also: プリント基板このＰＣＢはスマートフォンの内ない部ぶに使つかわ
