tau
Pronunciation: [taʊ]
Word
Context: “mathematics”
(noun) a special number that is equal to two times the value of pi (π). It is used in math to help understand circles better. In some math classes, people think tau is a simpler way to think about circle measurements.
Example
In my math class, we learned that tau is equal to about 6.28.
Example
Using pi instead of tau can make some circle problems more complicated.
Example
What is the value of tau in relation to pi?
Context: “osmium”
(noun) a letter in the Greek alphabet that looks like this: τ. It is often used in science and math to represent specific values or variables.
Example
In the equation, tau represents the time constant.
Example
The letter tau is not used in every equation; some use different symbols.
Example
What does tau stand for in the scientific formula?
Context: “fraternity”
(noun) a name given to groups of students in some colleges that have similar interests or activities, often involving brotherhood and community service.
Example
He joined the Tau fraternity to make new friends and help in the community.
Example
She decided not to join any fraternity, including Tau, because she preferred spending time alone.
Example
What activities does the Tau fraternity organize for its members?
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