This is the 18040th most frequent Russian word.
фосфорных
"Фосфорных" translates to "phosphoric" or "phosphorous," relating to phosphorus.
The word 'фосфорных' here refers to something related to phosphorus, describing chemical compounds formed with phosphorus.
Я изучаю свойства фосфорных соединений.
I am studying the properties of phosphorus compounds.
The word 'фосфорными' is used here to describe paints that contain phosphorus, giving a distinctive glow.
Старые картины окрашены фосфорными красками.
Old paintings are painted with phosphorus paints.
The word 'фосфорных' is applied here to denote residues consisting of or relating to phosphorus.