aridity index

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a number indicating how much more precipitation could be lost by evapotranspiration if it were available than is actually lost at a given location.

QUIZZES

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.

Question 1 of 7

Which one of these commonly confused words can act as an adverb or a pronoun?

A helpful pictorial index provides photographs of the actual objects.
The Best Coffee Table Books of 2014|Robert Birnbaum|December 13, 2014|DAILY BEAST
There is an expanded place-name index with more than 150,000 entries, and separate undersea, Moon, and Mars features.
The Best Coffee Table Books of 2014|Robert Birnbaum|December 13, 2014|DAILY BEAST
He stuck his index finger in the red welt around the spot where bin Laden shot me.
I Shot Bin Laden|Elliot Ackerman|November 16, 2014|DAILY BEAST
The country was ranked 144 of 177 nations surveyed by Transparency International in its 2013 graft perception index.
Corruption Eats Away at Ukraine Military|Charles McPhedran|October 21, 2014|DAILY BEAST

He soon invents the “Efram Daniels Expulsion Index (EDEI) … a hybrid futures and prediction market.”
In a New Novel, Apathetic Teenagers Usher in the Apocalypse|Elliot Ackerman|June 9, 2014|DAILY BEAST
The degree of pallor furnishes a rough index to the amount of hemoglobin in the corpuscle.
A Manual of Clinical Diagnosis|James Campbell Todd
Wright and his followers regard the opsonic index as an index of the power of the body to combat bacterial invasion.
A Manual of Clinical Diagnosis|James Campbell Todd
A low color-index probably indicates a mild type of the disease.
A Manual of Clinical Diagnosis|James Campbell Todd
The color-index is thus almost invariably low, the average being about 0.5.
A Manual of Clinical Diagnosis|James Campbell Todd
The changes in hemoglobin and red cells resemble those of a moderate symptomatic anemia, with rather low color-index.
A Manual of Clinical Diagnosis|James Campbell Todd