phenyl
A univalent hydrocarbon radical, C₆H₅ (benzene minus one hydrogen atom), and the basis of an immense number of aromatic derivatives.

phenyls
plural of phenyl

philosemite
Alternative form of philo-Semite.

philosemites
plural of philosemite

phon
A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone judged to be as loud as the sound being measured.

phonaestheme
Alternative spelling of phonestheme.

phonaesthemes
plural of phonaestheme

phoneful
A quantity loaded onto a phone.

phonefuls
plural of phoneful

phonesful
plural of phoneful

phonestheme
A sound that, because it appears in a number of words of similar meaning, has a recognizable semantic association.

phonesthemes
plural of phonestheme

phoneword
An alphanumeric word or phrase representing a telephone number, its letters corresponding to those on a telephone keypad.

phonewords
plural of phoneword

phons
plural of phon

phosphoroscope
Any of several devices used to measure phosphorescence, and to distinguish it from fluorescence

phosphoroscopes
plural of phosphoroscope

phosphoruria
a higher than normal amount of phosphate in the urine; a symptom of renal failure

phosphuria
Alternative spelling of phosphoruria.

photoadaptation
adaptation of an organism to the changing amount of light in its environment

photoadaptations
plural of photoadaptation

photoalidade
A surveying instrument used to plot lines and measure directions between terrestrial features from photographs

photoalidades
plural of photoalidade

photocount
A count of the distributions of photons obtained by counting photoelectric electrons

photocounts
plural of photocount

photoimpedance
impedance that varies depending on the amount of incident light

photometrician
Someone dedicated to the scientific measurement of light.

photometricians
plural of photometrician

photomicrosensor
A microsensor that responds to light

photomicrosensors
plural of photomicrosensor

photonephelometer
A nephelometer that uses a photocell to measure the intensity of transmitted light.

photonephelometers
plural of photonephelometer

photoplethysmograph
A plethysmograph that uses illumination of the skin in order to measures changes in light absorption

photoplethysmographs
plural of photoplethysmograph

photoproton
Any proton produced in a photonuclear reaction

photoprotons
plural of photoproton

photoresistance
resistance of a material that varies with the amount of incident light

photoresistances
plural of photoresistance

photosculpture
A process in which, by means of a number of photographs simultaneously taken from different points of view on the same level, rough models of the figure or bust of a person or animal may be made quickly.
A sculpture thus made.

photosculptures
plural of photosculpture

photoshoot
A session in which a photographer takes a number of photographs of a person or group of people.

photoshoots
plural of photoshoot

photostatistics
statistics of the numbers of photons in various quantum states

photostress
Exposure of the eye to bright light and measurement of the time taken for vision to return, used in ocular diagnosis

phototachometer
A tachometer that measures revolutions by optical sensing.

phototachometers
plural of phototachometer

phototheodolite
A theodolite with an attached camera.
An arrangement of two cameras, whose plates may be brought into exactly the same plane, used in surveying and map-making. From the differences between two pictures taken at the same moment, measurements in all dimensions of the region may be obtained.

phototheodolites
plural of phototheodolite

phratria
Alternative form of phratry.

phratrias
plural of phratria

phratries
plural of phratry

phratry
A clan or kinship group consisting of a number of families claiming descent from a common ancestor and having certain collective functions and responsibilities.
A former kinship division consisting of two or more distinct clans with separate identities but considered to be a single unit.

phylogram
A phylogenetic tree that has branch spans proportional to the amount of character change.

phylograms
plural of phylogram

phylozone
Synonym of lineage zone.

pical
Alternative form of picul.

picals
plural of pical

piceworth
The amount that can be bought for a pice.

piceworths
plural of piceworth

picoamperage
amperage measured in picoamps

picoampere
An SI unit of current equal to 10⁻¹² amperes. Symbol: pA

picoamperes
plural of picoampere

picobarn
A unit of surface area equal to 10⁻¹² barns.

picobarns
plural of picobarn

picocoulomb
A unit of electric charge, 10⁻¹² of a coulomb.

picocoulombs
plural of picocoulomb

picoelectronvolt
A unit of energy equal to one trillionth of an electronvolt, symbol peV

picoelectronvolts
plural of picoelectronvolt

picogram
An SI unit of mass equal to 10⁻¹² grams. Symbol: pg

picogramme
Alternative spelling of picogram.

picogrammes
plural of picogramme

picograms
plural of picogram

picokatal
An SI unit of catalytic activity equal to 10⁻¹² katals. Symbol: p

picokatals
plural of picokatal

picokelvin
A unit of temperature equal to 10⁻¹² of a kelvin

picol
Alternative form of picul.

picols
plural of picol

picometre
An SI unit of length equal to 10⁻¹² metres. Symbol: pm

picometres
plural of picometre

picomol
Alternative form of picomole.

picomole
A unit of substance equal to one trillionth (10⁻¹²) of a mole

picomoles
plural of picomole

picomols
plural of picomol

piconewton
An SI unit of force equal to 10⁻¹² newtons. Symbol: pN

piconewtons
plural of piconewton

picoradian
A unit of solid angle equal to 10⁻¹² radians

picoradians
plural of picoradian

picosecond
An SI unit of time equal to 10⁻¹² seconds. Symbol: ps

picoseconds
plural of picosecond

picosiemens
An SI unit of electrical conductance equal to 10⁻¹² siemens.

picross
A puzzle in which cells of a grid must be filled or left blank, according to sets of numbers given at the side of the grid, to reveal a hidden picture.

picrosses
plural of picross

picul
A traditional South and East Asian unit of weight, based upon the load of a shoulder pole and varying by place and over time but usually standardized at about 60 kg.

piculs
plural of picul

piecer
Someone or something that pieces.
A child employed in a cotton mill or spinning mill to tie together broken threads.
An item, especially clothing, made up of the specified number of pieces.

piecers
plural of piecer

pieceworker
A worker who is paid according to the number of units of work produced.

pieceworkers
plural of pieceworker

pigout
A meal at which an excessive quantity of food is eaten.

pigouts
plural of pigout

pikal
Alternative form of picul.

pikals
plural of pikal

pikol
Alternative form of picul.

pikols
plural of pikol

pilicide
Any of several substances that reduce the number of hairlike pili on the surface of bacteria and thus reduce its ability to adhere to human tissue.

pilicides
plural of pilicide

pillowbiers
plural of pillowbier

pinacolatoboron
A pinacolate which has boron attached to oxygen atoms.

pincode
Postal Index Number

pincodes
plural of pincode

pinfall
A victorious maneuver in which both of an opponent's shoulders are held against the mat for a prescribed period of time.
The number of pins toppled by a bowler or bowling team during a game, tournament, career, or some other measured period.

pinfalls
plural of pinfall

pint
A unit of volume, equivalent to:
A unit of volume, equivalent to:
A unit of volume, equivalent to:
A unit of volume, equivalent to:
A unit of volume, equivalent to:
A pint of milk.
A glass of beer or cider, served by the pint.

pinter
The drinking of a certain number of pints of beer
A container that holds a certain number of pints.
Something that takes a certain number of pints of beer to appreciate.

pinters
plural of pinter

pintglass
Alternative form of pint glass.

pintglasses
plural of pintglass

pints
plural of pint