an unknown quantity

The phrase an unknown quantity is often used in English, but what does this idiom mean? When idioms are used in the right situations, they strengthen communication and enrich the language. You can communicate more effectively by learning the meaning of an unknown quantity.

Meaning of "an unknown quantity"

Meaning

The phrase “an unknown quantity” is used to describe a person or thing whose characteristics, abilities, or value cannot be accurately determined or predicted. This phrase often carries the implication that the person or thing in question is an unknown risk, and that their involvement in a situation may be likely to bring uncertain or difficult outcomes. This phrase can also refer to an unpredictable or indefinite event.

Etymology

The phrase “an unknown quantity” originated in the early 19th century with the use of the phrase in mathematics. In mathematics, an unknown quantity is a value or quantity whose existence or value is not known at the time of calculation, typically represented by a letter or symbol. This concept is used in algebraic equations and in other situations where a variable needs to be evaluated before its result can be determined.

Usage

This phrase is typically used to refer to a person or thing whose characteristics, abilities, or value cannot be accurately determined or predicted. It may also be used to describe an unpredictable event or outcome. This phrase can also refer to a situation where there is a lack of knowledge or information.

Example Sentences

• He is an unknown quantity, so we don't know how he will react in this situation.
• The outcome of this election is an unknown quantity; no one can predict who will win.
• Investing in a start-up company is always an unknown quantity, so it's best to proceed with caution.
• He's a wild card, an unknown quantity that you can never predict.

The power of idioms transcends languages!

"Putting the cart before the horse" is an English idiom that means doing things in the wrong order. In Russian, the similar idiom is "Кладёт колесо впереди лошади," which translates to "Putting the cart before the horse." This idiom emphasizes the idea that doing things in the wrong order can lead to confusion and problems down the line.