Xi (Noun)
Meaning 1
The cardinal number that is the sum of ten and one.
Classification
Nouns denoting quantities and units of measure.
Examples
- Eleven books were sold in the bookstore today.
- In Roman numerals the number eleven is written as xi.
- Her jersey number is xi in basketball.
- Can you multiply eleven by two quickly?
- On November 11 the fireworks show is happening.
Synonyms
Hypernyms
Meaning 2
The 14th letter of the Greek alphabet.
Classification
Nouns denoting communicative processes and contents.
Examples
- The 14th letter of the Greek alphabet is xi, which is often used as a symbol in mathematics and science.
- In the Greek alphabet, xi is the letter that comes after lambda and before omicron.
- The fraternity's logo features the Greek letter xi in bold, golden font.
- Xi is a letter that is not commonly used in everyday words, but it is an important part of the Greek alphabet.
- The math problem required the student to solve for xi, which was the unknown variable in the equation.