телефонной

telephone, phone

→ телефонный

телефон phone, telephone + н forms adjectives meaning “related to” or “characterized by” + ой Feminine singular oblique case

adjective · genitive / dative / instrumental / locative, singular feminine Rare #35,395

telephone, phone The form used with feminine nouns in certain cases, as in телефонной книге (telephone book) and телефонной линии (telephone line).

RU: Я оставил сообщение на телефонной линии.

EN: I left a message on the phone line.

Forms of телефонный

	Masculine	Feminine
Singular	телефонный	телефонной

Can you check the phone book?

— Дьяволицы (1955)

What about the phone company?

— Преследователь (2008)

The phone book says he lives here.

— Пятый элемент (1997)

Look up the number in your phone book.

From the phone book.

— Двойная страховка (1944)

What's going on on this phone line?

— Пришельцы (1993)