key word

• Слово, которое служит ключом к коду или шифру; значимое слово из заголовка или документа, используемое особенно в качестве указателя содержания; слово, являющееся основным элементом темы или области.

A word that serves as a key to a code or cipher; a significant word from a title or document used especially as an index to content; a word that is a major element of a subject or field.

1. Important wordB1formal

   A word that is significant or essential in a particular context, often used for searching or summarizing.

   Ключевое слово

   • The key word in the document is 'sustainability'.
   • Use key words to find relevant articles online.
   • The teacher highlighted the key words in the lesson.

2. Password or codeB2informal

   A word used as a password or to gain access to something.

   Кодовое слово

   • You need to enter the key word to unlock the door.
   • The key word for the secret meeting was 'eagle'.
   • He forgot the key word to his account.