temperature-humidity index

temperature-humidity index
A number representing an estimate of the effect of temperature and moisture on humans, computed by multiplying the sum of dry-bulb and wet-bulb temperature readings by 0.4 and adding 15, with 65 assumed as the highest comfortable index.
Actual temperature and humidity of air sample compared to air at standard conditions.

Dictionary of automotive terms. 2015.

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  • temperature-humidity index — /tem peuhr euh cheuhr hyooh mid i tee/ or, often, / yooh , preuh , peuhr cheuhr , choor / a number representing an estimate of the effect of temperature and moisture on humans, computed by multiplying the sum of dry bulb and wet bulb temperature… …   Useful english dictionary

  • temperature–humidity index — ▪ meteorological measurement       combination of temperature and humidity that is a measure of the degree of discomfort experienced by an individual in warm weather; it was originally called the discomfort index. The index is essentially an… …   Universalium

  • Temperature Humidity Index —   An index that combines sensible temperature and air humidity to arrive at a number that closely responds to the effective temperature; used to relate temperature and humidity to levels of comfort …   Energy terms

  • temperature-humidity index — /tem peuhr euh cheuhr hyooh mid i tee/ or, often, / yooh , preuh , peuhr cheuhr , choor / a number representing an estimate of the effect of temperature and moisture on humans, computed by multiplying the sum of dry bulb and wet bulb temperature… …   Universalium

  • temperature — n. 1 the degree or intensity of heat of a body in relation to others, esp. as shown by a thermometer or perceived by touch etc. 2 Med. the degree of internal heat of the body. 3 colloq. a body temperature above the normal (have a temperature). 4… …   Useful english dictionary

  • Humidity — is the amount of water vapor in the air. In daily language the term humidity is normally taken to mean relative humidity. Relative humidity is defined as the ratio of the partial pressure of water vapor in a parcel of air to the saturated vapor… …   Wikipedia

  • index — 1. [NA] SYN: i. finger. 2. A guide, standard, indicator, symbol, or number denoting the relation in respect to size, capacity, or function, of one part or thing to another. SEE ALSO: quotient, r …   Medical dictionary

  • Heat index — The heat index (HI) is an index that combines air temperature and relative humidity in an attempt to determine the human perceived equivalent temperature how hot it feels, termed the felt air temperature. The human body normally cools itself by… …   Wikipedia

  • heat index — a number representing the effect of temperature and humidity on humans by combining the two variables into an apparent temperature, introduced as a replacement for the temperature humidity index: a temperature of 90° and relative humidity of 65… …   Universalium

  • heat index — a number representing the effect of temperature and humidity on humans by combining the two variables into an apparent temperature, introduced as a replacement for the temperature humidity index: a temperature of 90° and relative humidity of 65… …   Useful english dictionary

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