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HPA

HPA

Overview
  • Home Price Appreciation, the change in value of a single-family home, calculated using the United States Office of Federal Housing Enterprise Oversight
    Office of Federal Housing Enterprise Oversight
    The Office of Federal Housing Enterprise Oversight was an agency within the Department of Housing and Urban Development. It was charged with ensuring the capital adequacy and financial safety and soundness of two government sponsored enterprises -- the Federal National Mortgage Association and...

    's House Price Index
    House price index
    -FHFA/OFHEO:The US Federal Housing Finance Agency publishes the HPI index, a quarterly broad measure of the movement of single-family house prices....


  • Halifax Port Authority
    Halifax Port Authority
    The Halifax Port Authority is a port authority operating as a not-for-profit Crown corporation of the Government of Canada. HPA has responsibility for all federally-owned waterfront properties on Halifax Harbour in Nova Scotia's Halifax Regional Municipality.The HPA was created on March 1, 1999...

    , a port authority operating as a not-for-profit Crown corporation of the Government of Canada
  • Hamburg Port Authority, the port authority for the Port of Hamburg, Germany
  • Health Protection Agency
    Health Protection Agency
    The Health Protection Agency , originally established as an NHS special health authority in 2003, it is now a non-departmental public body charged with protecting the health and well-being of United Kingdom citizens from infectious diseases and with preventing harm and reducing impacts when hazards...

    , an independent health organization in the United Kingdom responsible for protecting the population from hazards such as radiation, chemicals, poisons and infectious diseases
  • Hurlingham Polo Association
    Hurlingham Polo Association
    The Hurlingham Polo Association is the governing body for polo in the United Kingdom and Republic of Ireland. The Federation of International Polo produces the International Rules of Polo through a cooperative agreement with the Hurlingham Polo Association, the Asociación Argentina de Polo , plus...

    , the governing body for polo in the UK

  • Hectopascal (hPa), a unit of pressure equivalent to about 1/1000 of 1 atmosphere.

  • Hypothalamic-pituitary-adrenal axis
    Hypothalamic-pituitary-adrenal axis
    The hypothalamic-pituitary-adrenal axis , also known as thelimbic-hypothalamic-pituitary-adrenal axis , is a complex set of direct influences and feedback interactions among the hypothalamus , the pituitary gland , and the adrenal glands...

     (physiology), how the hypothalamus, pituitary and adrenal glands work together to regulate hormone levels and maintain homeostasis
  • Human physical appearance
    Human physical appearance
    Variations in the physical appearance of humans, known as human looks, are believed by anthropologists to be an important factor in the development of personality and social relations, in particular, physical attractiveness. There is a relatively low sexual dimorphism between human males and...

     (anthropology)
  • Human platelet antigens (Clinical Medicine, Blood transfusion, alloantigens)
  • Heteropoly acid
    Heteropoly acid
    A heteropoly acid is a class of acid made up of a particular combination of hydrogen and oxygen with certain metals and non-metals. This type of acid is frequently used as a re-usable acid catalyst in chemical reactions....

    , often used as an acidic catalyst

  • High Performance Addressing, an LCD display technology, a passive-matrix display technology which provides better response rates and contrast than traditional LCD displays.
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Encyclopedia

Finance

  • Home Price Appreciation, the change in value of a single-family home, calculated using the United States Office of Federal Housing Enterprise Oversight
    Office of Federal Housing Enterprise Oversight
    The Office of Federal Housing Enterprise Oversight was an agency within the Department of Housing and Urban Development. It was charged with ensuring the capital adequacy and financial safety and soundness of two government sponsored enterprises -- the Federal National Mortgage Association and...

    's House Price Index
    House price index
    -FHFA/OFHEO:The US Federal Housing Finance Agency publishes the HPI index, a quarterly broad measure of the movement of single-family house prices....


Organizations

  • Halifax Port Authority
    Halifax Port Authority
    The Halifax Port Authority is a port authority operating as a not-for-profit Crown corporation of the Government of Canada. HPA has responsibility for all federally-owned waterfront properties on Halifax Harbour in Nova Scotia's Halifax Regional Municipality.The HPA was created on March 1, 1999...

    , a port authority operating as a not-for-profit Crown corporation of the Government of Canada
  • Hamburg Port Authority, the port authority for the Port of Hamburg, Germany
  • Health Protection Agency
    Health Protection Agency
    The Health Protection Agency , originally established as an NHS special health authority in 2003, it is now a non-departmental public body charged with protecting the health and well-being of United Kingdom citizens from infectious diseases and with preventing harm and reducing impacts when hazards...

    , an independent health organization in the United Kingdom responsible for protecting the population from hazards such as radiation, chemicals, poisons and infectious diseases
  • Hurlingham Polo Association
    Hurlingham Polo Association
    The Hurlingham Polo Association is the governing body for polo in the United Kingdom and Republic of Ireland. The Federation of International Polo produces the International Rules of Polo through a cooperative agreement with the Hurlingham Polo Association, the Asociación Argentina de Polo , plus...

    , the governing body for polo in the UK

Measurement unit

  • Hectopascal (hPa), a unit of pressure equivalent to about 1/1000 of 1 atmosphere.

Science

  • Hypothalamic-pituitary-adrenal axis
    Hypothalamic-pituitary-adrenal axis
    The hypothalamic-pituitary-adrenal axis , also known as thelimbic-hypothalamic-pituitary-adrenal axis , is a complex set of direct influences and feedback interactions among the hypothalamus , the pituitary gland , and the adrenal glands...

     (physiology), how the hypothalamus, pituitary and adrenal glands work together to regulate hormone levels and maintain homeostasis
  • Human physical appearance
    Human physical appearance
    Variations in the physical appearance of humans, known as human looks, are believed by anthropologists to be an important factor in the development of personality and social relations, in particular, physical attractiveness. There is a relatively low sexual dimorphism between human males and...

     (anthropology)
  • Human platelet antigens (Clinical Medicine, Blood transfusion, alloantigens)
  • Heteropoly acid
    Heteropoly acid
    A heteropoly acid is a class of acid made up of a particular combination of hydrogen and oxygen with certain metals and non-metals. This type of acid is frequently used as a re-usable acid catalyst in chemical reactions....

    , often used as an acidic catalyst

Technology

  • High Performance Addressing, an LCD display technology, a passive-matrix display technology which provides better response rates and contrast than traditional LCD displays. They aren't as crisp or fast as active-matrix (TFT) displays, however they're a lot cheaper to produce. HPA was used some years ago in entry level notebooks, but now it has practically disappeared as TFTs are less expensive
  • High Power Amplifier (satellite dish), used in two-way satellite internet (this is the transceiver part)
  • Host Protected Area
    Host Protected Area
    The host protected area, sometimes referred to as hidden protected area, is an area of a hard drive that is not normally visible to an operating system.- History :HPA was first introduced in the ATA-4 standard cxv.-How it works:...

    , a reserved area on the data storage that is outside file system of the operating system running. Such area is hidden from the operating system and the file system, and it is normally unable to view the content except with special tools
  • Human-powered aircraft
    Human-powered aircraft
    A human-powered aircraft is an aircraft powered by direct human energy and the force of gravity; the thrust provided by the human may be the only source; however, a hang glider that is partially powered by pilot power is a human-powered aircraft where the flight path can be enhanced more than if...

     (human powered transport)
  • High Pressure Air (paintball/airsoft)  is used as a source of propulsion in the sport paintball and in custom gas airsoft guns
    Airsoft guns
    Airsoft guns are highly detailed firearm replicas manufactured for recreational purposes. Airsoft guns propel non-metallic 6mm pellets at muzzle velocities ranging from 30 to 260 m/s by way of compressed gas or a spring-driven piston...

    .

People

  • H. Peter Anvin (often abbreviated "hpa"), famous computer programmer and Linux
    Linux kernel
    The Linux kernel is an operating system kernel used by the Linux family of Unix-like operating systems. It is one of the most prominent examples of free and open source software....

     hacker.