Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z picnickery Picnicking. picnickian Of or relating to picnics. picnicking An expedition for the purpose of having a picnic. picnickish Resembling, characteristic of, or suitable for a picnic. picnicky Picniclike. picniclike Resembling or characteristic of a picnic. picnicware Disposable plates, cups, etc. intended for use on picnics. pico An island in the Azores. picoalga Any very small alga picoalgal Relating to picoalgae picoammeter An ammeter that is capable of measuring picoamp currents picoamp One million millionth (10⁻¹²) of an ampere. Symbol: pA. picoamperage amperage measured in picoamps picoampere An SI unit of current equal to 10⁻¹² amperes. Symbol: pA picoautotroph A microscopic autotroph picobar 10⁻¹² bar (unit of pressure) picobarn A unit of surface area equal to 10⁻¹² barns. picobenzide An antipsychotic drug. picobiine Any mite of the subfamily Picobiinae picobiliphyte A form of photosynthetic picoplankton. picobirnaviral Relating to picobirnaviruses picobirnavirus Any of the genus Picobirnavirus of dsRNA viruses infecting certain mammals picocell A wireless communication system covering a small area, such as a single office or railway station, often used to extend cellular network coverage to indoor areas where signals cannot easily penetrate. picocellular Relating to or composed of picocells. picocoulomb A unit of electric charge, 10⁻¹² of a coulomb. picocurie The unit of radioactivity equal to 10⁻¹² curie: symbol pCi. picocyanobacterial Relating to picocyanobacteria. picocyanobacterium Any cyanobacterium having dimensions less than about 2 micrometres picodicistrovirus Any dicistrovirus of the genus Dicipivirus picodralazine A vasodilator. picodroplet A droplet whose size is of the order of a picometre picoeconomics The strong preference for an almost immediate reward rather than a better reward in the future picoelectronvolt A unit of energy equal to one trillionth of an electronvolt, symbol peV picoeucaryote Any very small, usually unicellular, eucaryote picoeukaryote Any eukaryotic organism that ranges in size from 0.2 to 2.0 µm. picoeukaryotic Related to the picoeukaryotes picofarad One million millionth (10⁻¹²) of a farad. Symbol: pF. picoflagellate Any picoscale flagellate picogram An SI unit of mass equal to 10⁻¹² grams. Symbol: pg picohenry One trillionth (10⁻¹²) of a henry. picohertz One trillionth (10⁻¹²) of a hertz. picoid Relating to or characteristic of woodpeckers picoidean Any woodpecker of the genus Picoides. picoideous Relating to, or characteristic of the picoideans picoindentation picoscale indentation picoinjection The injection of a reagent into a microfluidic drop picoinjector A picoscale injector picojoule One million millionth ( 10⁻¹² ) of a joule. Symbol: pJ. picokatal An SI unit of catalytic activity equal to 10⁻¹² katals. Symbol: p picokelvin A unit of temperature equal to 10⁻¹² of a kelvin Picola A town in the Shire of Moira, northern Victoria, Australia. picolinamide The amide of picolinic acid picolinate Any salt or ester of picolinic acid. picoline Any of three isomeric methyl derivatives of pyridine, analogous to toluene picolinic Related to picolinic acid or its derivatives. picolinium Any cation produced by protonation of a picoline. picolinol Any alcohol derived from a picoline by converting the -CH₃ group into -CH₂OH picolinyl Any univalent radical derived from a picolinol picolitre One millionth of a microlitre; 10⁻¹² litres. Symbol: pL or pl. picolyl A univalent radical derived from a picoline picolylamine Any amine derived from a picoline by replacing a hydrogen atom (of a methyl group) with an -NH₂ group picometre An SI unit of length equal to 10⁻¹² metres. Symbol: pm picomolar Having a concentration of one picomole per litre. picomole A unit of substance equal to one trillionth (10⁻¹²) of a mole picon A caramel-coloured flavoured bitters made from oranges, gentian, and quinquina, traditionally accompanying beer in the east and north of France. Picone A surname. piconet a small computer network using Bluetooth protocols piconewton An SI unit of force equal to 10⁻¹² newtons. Symbol: pN picong A kind of informal banter, often lightly pejorative but rarely mean-spirited, strongly associated with the lyrics of calypso music. piconol A nonsteroidal anti-inflammatory drug, a form of ibuprofen. picophotoautotroph A very small (typically unicellular) photoautotroph picophototroph a picoscale phototroph picophytoplankton photosynthetic picoplankton picophytoplanktonic Relating to picophytoplankton picopipette A picoscale pipette. picoplankton The plankton composed of cells between 0.2 and 2 micrometers. picoplanktonic Of or pertaining to picoplankton picoplatin A platinum-based antineoplastic drug. picoprasinophyte Any green alga of the class Picoprasinophyceae, of which Picocystis salinarum is the sole accepted species in 2019. picoprokaryote Any picoscale prokaryote picoprokaryotic Relating to picoprokaryotes picopump A very small pump that is used with microinjections picoradian A unit of solid angle equal to 10⁻¹² radians picornaviral Of or pertaining to picornaviruses. picornavirologist A scientist who studies picornaviruses. picornavirology The scientific study of picornaviruses. picornavirus Any of the family Picornaviridae of RNA viruses, many of which are pathogenic, causing diseases such as polio, foot-and-mouth disease, and many varieties of the common cold. Picos The Picos de Europa picosat A picosatellite. picosatellite An artificial satellite with a wet mass between 0.1 and 1 kilograms. picoscale On a scale measured in picometers picosecond An SI unit of time equal to 10⁻¹² seconds. Symbol: ps picosiemens An SI unit of electrical conductance equal to 10⁻¹² siemens. picosignal A picoscale signal picospritzer A device that produces an extremely small spray of liquid picot An embroidery trim made of a series of small loops. picota A machine for raising water consisting of a long lever or yard, pivotted on an upright post, weighted on the short arm and bearing a line and bucket on the long arm. picotamide A thromboxane synthase inhibitor and a thromboxane receptor inhibitor used in the treatment of clinical arterial thrombosis and peripheral artery disease. picotechnology picoscale technology picoted decorated with picots picotee A flower (such as a carnation) whose margin is a different colour from the flower's basic colour. picotesla One trillionth (10⁻¹²) of a tesla. picotite hercynite picotiter A miniaturized form of microtiter picotitic Relating to the mineral picotite. picotpaulite An orthorhombic-disphenoidal bronze mineral containing iron, sulfur, and thallium. Picotte A surname from French. Picou A surname. picovolt One million millionth (10⁻¹²) of a volt, abbreviated as pV. picowatt One million millionth (10⁻¹²) of a watt, abbreviated as pW. picoxystrobin A particular strobilurin fungicide. picozoan Any unicellular eukaryote of the phylum Picozoa picquet A surname from French. picqueter A person who arranges artificial flowers for a living. picra The powder of aloes with canella, formerly officinal, employed as a cathartic. picral A solution of picric acid in alcohol, used for etching picramate Any derivative (equivalent to a salt or ester) of picramic acid picramic Of or pertaining to picramic acid or its derivatives picramide 2,4,6-trinitroaniline, an explosive compound. picrasmin An organic compound found in Jamaican quassia. picrate Any salt or ester of picric acid. picrated Mixed with a picrate. picrel A picture attached to a post, especially one on an imageboard. picric Designating a type of bitter yellow acid. picrite A variety of high-magnesium olivine basalt. picritic Relating to, or composed of, picrite. picrobasalt picrite picrocarmine A stain made from picric acid and indigo carmine. picrochromite Synonym of magnesiochromite. picrocrocin A monoterpene glycoside precursor of safranal, responsible for the bitter taste of saffron. picroerythrin An organic compound found in lichens, related to erythrin. picrofuchsin A solution of fuchsin in picric acid, used as a stain for proteins picroindigocarmine A stain made from picric acid and indigo carmine. picrol dinitrophenol picrolite A fibrous variety of serpentine, possibly antigorite. picrolonate A salt or ester of picrolonic acid. picromel A colourless viscous substance having a bittersweet taste, formerly supposed to be the essential principle of bile, but later identified as a mixture, principally of salts of glycocholic acid and taurocholic acid. picromerite An evaporite, consisting of a mixed potassium and magnesium sulphate, with the chemical formula K₂Mg(SO₄)₂·6(H₂O). picropharmacolite A triclinic-pinacoidal mineral containing arsenic, calcium, hydrogen, magnesium, and oxygen. picropodophyllin A particular chemokine that induces apoptosis in some tumour cells picroside Any of a family of iridoid glycosides isolated from Picrorhiza species 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. picrotoxic Relating to picrotoxin. picrotoxin A poisonous material, extracted from the seeds of plants of species Anamirta cocculus, used as a stimulant; it is a complex of two alkaloids: picrotoxinin and picrotin. picrotoxinin An alkaloid found in picrotoxin. picryl The univalent radical, analogous to phenyl, derived from picric acid picrylhydrazine The organic hydrazine obtained formally by replacement of the -OH of picric acid by -NH-NH2 picrylhydrazyl A free radical derived from picrylhydrazine; any derivative of this compound picspam A post on a blog featuring a collection of pictures, generally of the same subject or from the same source. Pict A member of an ancient people of northern and central Scotland.