tau
IPA/tɔː/
IPA/tɔː/
tau — noun
- tausingular
- tausplural
1. the name of the letter that comes nineteenth in the Greek alphabet, written as T
1.名詞B1
釋義
the name of the letter that comes nineteenth in the Greek alphabet, written as T or τ.
例句
The teacher wrote tau on the board beside pi and theta.
tau named with other Greek letters
On the chart, tau comes after sigma and before upsilon.
position in the Greek alphabet sequence
The student circled tau after copying the Greek alphabet from memory.
A lowercase tau appears next to the last angle on the diagram.
During the quiz, Omar forgot whether tau was T or τ.
文法句型
write tau
tau comes after sigma
uppercase tau / lowercase tau
用法筆記
Usually appears when people are naming Greek letters in maths, science, or language study. When the symbol matters, writers often contrast uppercase T with lowercase tau.
常見錯誤
❌Tau comes before sigma.
✅Tau comes after sigma.
💡In the Greek alphabet, tau appears later, between sigma and upsilon.