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  1. INDEX Definition & Meaning - Merriam-Webster

    The meaning of INDEX is a list (as of bibliographical information or citations to a body of literature) arranged usually in alphabetical order of some specified datum (such as author, subject, or …

  2. INDEX Synonyms: 30 Similar and Opposite Words - Merriam …

    Synonyms for INDEX: indicator, needle, gauge, hand, pointer, dial, face, list; Antonyms of INDEX: delete

  3. HEAT INDEX Definition & Meaning - Merriam-Webster

    The meaning of HEAT INDEX is a value that indicates what the ambient temperature feels like to the human body and that is derived from a calculation using air temperature and relative …

  4. Examples of 'INDEX' in a Sentence | Merriam-Webster

    Apr 10, 2024 · The index has jumped twenty-nine per cent in the past two months, which is the biggest such increase in more than thirty years. — John Cassidy, The New Yorker, 22 Jan. 2024

  5. INDICES Definition & Meaning - Merriam-Webster

    2 days ago · The meaning of INDICES is plural of index.

  6. INDEX CASE Definition & Meaning - Merriam-Webster

    The meaning of INDEX CASE is the first documented case of an infectious disease or genetically transmitted condition or mutation in a population, region, or family.

  7. INDEX FINGER Definition & Meaning - Merriam-Webster

    Dec 29, 2025 · The meaning of INDEX FINGER is the finger next to the thumb —called also forefinger.

  8. THERAPEUTIC INDEX Definition & Meaning - Merriam-Webster

    6 days ago · The meaning of THERAPEUTIC INDEX is a measure of the relative desirability of a drug for the attaining of a particular medical end that is usually expressed as the ratio of the …

  9. CONSUMER PRICE INDEX Definition & Meaning - Merriam-Webster

    Dec 29, 2025 · The meaning of CONSUMER PRICE INDEX is an index measuring the change in the cost of typical wage-earner purchases of goods and services expressed as a percentage …

  10. INDEX NUMBER Definition & Meaning - Merriam-Webster

    The meaning of INDEX NUMBER is a number used to indicate change in magnitude (as of cost or price) as compared with the magnitude at some specified time usually taken as 100.