primary and secondary

Meanings

1. 1phrasefixed phrase

   Relating to the first, most important, or earliest level and the second, less important, or later level.

   Grammar: Used before a noun as a pair: primary and secondary education, primary and secondary sources.

   Patterns

   • primary and secondary education
   • primary and secondary sources
   • primary and secondary colors

   The report compares primary and secondary education systems across Europe.

   In history class, we learned to tell the difference between primary and secondary sources.

   The artist mixed primary and secondary colors to create a bold design.

2. 2phrasefixed phrasemedical

   In medicine, describing a disease or condition that starts in one place and then spreads to another part of the body.

   Grammar: Often used before nouns like 'cancer' or 'tumor': primary and secondary tumors.

   Patterns

   • primary and secondary cancer
   • primary and secondary tumors

   The scan showed both primary and secondary tumors.

   Doctors discussed whether the primary and secondary cancers were related.

3. 3phrasefixed phrasebusinessfinance

   In economics, referring to the first sale of goods or securities and the later trading of them.

   Grammar: Used before nouns like 'market' or 'market activity': primary and secondary markets.

   Patterns

   • primary and secondary markets
   • primary and secondary market activity

   Investors can buy shares in both primary and secondary markets.

   The primary and secondary markets reacted differently to the news.

Common combinations

primary and secondary education

Primary and secondary education are free in many countries.

primary and secondary sources

Your essay should use both primary and secondary sources.

primary and secondary colors

The children learned about primary and secondary colors in art class.

primary and secondary care

The health system is divided into primary and secondary care.

Synonyms and how they differ

main and auxiliary

Used for a main thing and a supporting one, but not for levels of education or sources.

first and second

A more general phrase for order; 'primary and secondary' often implies importance as well as order.

Word family

primary adjective

First in importance or order; main.

secondary adjective

Less important or coming after the primary level.

primarily adverb

Mainly or chiefly.

secondarily adverb

In a secondary way; not as the main point.

Commonly confused: primary and secondary or elementary and secondary?

Practice

Make it your own

Write a sentence using “primary and secondary”, then check it and compare it with the examples above.

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