A trade secret is information that is known, used, and kept secret by a particular firm, for example about a method of production or a chemical process.
The nature of the polymer is currently a trade secret.
2. countable noun
A trade secret is a piece of knowledge that you have, especially about how to do something, that you are not willing to tell other people.
I'd rather not talk about it too much because I don't like giving trade secrets away.
trade secret in British English
noun
a secret formula, technique, process, etc, known and used to advantage by only one manufacturer
trade secret in American English
any device, method, formula, etc. known to the manufacturer who uses it but not tocompetitors
Examples of 'trade secret' in a sentence
trade secret
Previously something of a trade secret, the firm opened its first showroom this year.
Times, Sunday Times (2016)
In other languages
trade secret
British English: trade secret NOUN
A trade secret is information that is known, used, and kept secret by a particular firm.
The nature of the polymer is currently a trade secret.