89
Học thuậtThân thiện
Definition
- Adjective:
- Being nine more than eighty: The number that is exactly nine units greater than eighty; the cardinal number 89.
Usage
- As a numerical adjective: Used to describe a quantity of exactly eighty-nine items, or to indicate position as the eighty-ninth in a sequence.
- The book has 89 pages.
- She finished in 89th place.
Advanced Usage
- In mathematics and statistics: Often used in data sets, scores, or measurements.
- The average score was 89.
- As a year: Commonly used to refer to the year 1989.
- He was born in '89.
Variants and Related Words
- Eighty-nine: The word form of the number.
- LXXXIX: The Roman numeral representation.
- 89th: The ordinal form (eighty-ninth).
Synonyms
- Eighty-nine: The identical word form.
- Four score and nine: An archaic phrasing.
Notes
- This is a cardinal number. Its primary function is to denote quantity or rank in a sequence (when used as an ordinal: 89th).
- In informal contexts, an apostrophe is often used before the number to abbreviate a year, e.g., .
Adjective
- being nine more than eighty