Word Pronunciation & Dictionary

vital index

Word Rarity Uncommon

Frequency: Zipf frequency 4.16 in modern English

Syllables: vi-tal in-dex
IPA

21

Scrabble Score

10

Letters

3

Syllables

9

Unique Chars

Meaning

noun

The ratio of the number of births to the number of deaths in a population over a specific period of time.

Example Sentences

"Now what is the real biological meaning of the vital index? What does it actually measure? It measures always the present worth of the evolutionary survival value of a population, but implies nothing as to how this present worth is brought about. Furthermore, the vital index implies nothing intrinsic in a population."
"The epidemic of influenza in 1918 was almost exclusively responsible for the decline of the vital index to 36.31% below the figure of 1912."

Etymology

From vital + index

Inflected Forms

vital indexes (plural)

Questions

What does vital index mean?: The ratio of the number of births to the number of deaths in a population over a specific period of time.
Where does vital index come from?: From vital + index

How to pronounce vital index

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