指数
Meanings
1
A numerical measure used to track changes in a variable, such as economic indicators, stock market indices, or statistical measures.
The consumer price index rose 0.5% from last month.
This index is an important indicator of the health of the economy.
2
In mathematics, the superscript number indicating how many times a base is multiplied by itself.
In 2 to the power of 3, 3 is the exponent.
Usage patterns
- 〈物〉の指数が上がるfor an index (e.g. stock or economic) to rise
The Nikkei stock average index rose.
- 指数を求めるto find/determine the exponent in an equation
Find the exponent in this equation.
- 指数を発表するto announce or publish an index
The government announced the latest economic index.