PIV may refer to:

Science and technology

* Particle image velocimetry, an optical method of flow visualization *

Peak inverse voltage The peak inverse voltage is either the specified maximum voltage that a diode rectifier can block, or, alternatively, the maximum voltage that a rectifier needs to block in a given circuit. The peak inverse voltage increases with an increase in tem ...

, in electronics *

Pentium 4 Pentium 4 is a series of single-core CPUs for desktops, laptops and entry-level servers manufactured by Intel. The processors were shipped from November 20, 2000 until August 8, 2008. The production of Netburst processors was active from 2000 ...

microprocessor, produced by Intel ("IV" is Roman numeral for "4") *

Personal Identity Verification FIPS 201 (Federal Information Processing Standard Publication 201) is a United States federal government standard that specifies Personal Identity Verification (PIV) requirements for Federal employees and contractors. In response to HSPD-12, the N ...

, as specified by the US federal government standard FIPS 201 *

Posterior interventricular artery In the coronary circulation, the posterior interventricular artery (PIV, PIA, or PIVA), most often called the posterior descending artery (PDA), is an artery running in the posterior interventricular sulcus to the apex of the heart where it meet ...

, an artery supplying the heart * Positive input ventilation, a type of

ventilation Ventilation may refer to: * Ventilation (physiology), the movement of air between the environment and the lungs via inhalation and exhalation ** Mechanical ventilation, in medicine, using artificial methods to assist breathing *** Ventilator, a ma ...

for buildings * Post indicator valve, a shut-off valve for otherwise underground pipes, notably for fire sprinklers; see Glossary of firefighting equipment#P * Pivaloyl protecting group (Piv), a

protecting group A protecting group or protective group is introduced into a molecule by chemical modification of a functional group to obtain chemoselectivity in a subsequent chemical reaction. It plays an important role in multistep organic synthesis. In man ...

* P = IV, the formula describing power in terms of current and voltage in

electrical power Electric power is the rate at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt, one joule per second. Standard prefixes apply to watts as with other SI units: thousands, millions and billions ...

Parainfluenza virus Human parainfluenza viruses (HPIVs) are the viruses that cause human parainfluenza. HPIVs are a paraphyletic group of four distinct single-stranded RNA viruses belonging to the ''Paramyxoviridae'' family. These viruses are closely associated with ...

, single-stranded RNA viruses belonging to the ''Paramyxoviridae'' family

Other uses

* '' Plena Ilustrita Vortaro de Esperanto'', a dictionary of Esperanto *

Vaeakau-Taumako Vaeakau-Taumako (formerly known as ''Pileni'') is a Polynesian language spoken in some of the Reef Islands as well as in the Taumako Islands (also known as the Duff Islands) in the Temotu province of the Solomon Islands. The language is sp ...

(ISO 639 language code), a Polynesian language

Science and technology

Other uses

See also