In a sentence
Six example sentences with index, each labelled with its topic.
The cost-of-living index sits at 118 this year, meaning the same basket costs eighteen percent more than in the base year.
Economics
The air quality index climbed past 150 for four days, and the schools moved every lesson indoors.
Environment
A single pain index from zero to ten lets two nurses on different shifts compare what the patient reported.
Medicine
The stock index closed at 4,200, up two percent, and every pension fund tracking it rose by the same amount.
Finance
A body mass index above thirty is the usual cutoff in these studies, though it says nothing about muscle.
Fitness
The league's efficiency index folds points, rebounds, and turnovers into one number so fans can compare a center with a guard.
Basketball
Study index until you keep it
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Found in these word lists
Found in 8 published word lists
- Academic Word List (Coxhead 2000)Authoritative
- University Word List (Xue & Nation 1984)Authoritative
- Business English Academic Word ListAuthoritative
- New General Service List (Browne et al. 2013)Authoritative
- Medical Academic Word ListAuthoritative
- Israeli Psychometric English dictionary (Campus IL / NITE)Authoritative
- Science Vocabulary ListAuthoritative
- 5000 GRE Words (widely used study list)Recognized
Each source is a published word list that contains index. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.