Glossary · Nouns · P
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TermTypeDefinitionClassificationsUpdated
Propyl AlcoholnounMWEa clear colorless volatile liquid (alcohol) used as a solvent and antisepticverified
Propylene GlycolnounMWEa sweet colorless, viscous, hygroscopic liquid used as an antifreeze and in brake fluid and also as a humectant in cosmetics and personal care items although it can be absorbed through the skin with harmful effectsverified
Propylthiouracilnouna crystalline compound used as an antithyroid drug in the treatment of goiterverified
Prorationnounthe proportional limitation of production or distribution of something (e.g. crude oil or natural gas) to some fractional part of the total capacity of each producerverified
Prosceniumnounthe part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain)verified
Proscenium WallnounMWEthe wall that separates the stage from the auditorium in a modern theaterverified
Prosecuting AttorneynounMWEa government official who conducts criminal prosecutions on behalf of the stateverified
Prosecuting OfficernounMWEa government official who conducts criminal prosecutions on behalf of the stateverified
Prosecutionnounthe institution and conduct of legal proceedings against a defendant for criminal behaviorverified
Prosecutornouna government official who conducts criminal prosecutions on behalf of the stateverified
Prosimiannounprimitive primates having large ears and eyes and characterized by nocturnal habitsverified
Prospectusnouna formal written offer to sell securities (filed with the SEC) that sets forth a plan for a (proposed) business enterpriseverified
Prostaglandinnouna potent substance that acts like a hormone and is found in many bodily tissues (and especially in semen)verified
Prostate GlandnounMWEa firm partly muscular chestnut sized gland in males at the neck of the urethraverified
Prostatitisnouninflammation of the prostate gland characterized by perineal pain and irregular urination and (if severe) chills and feververified
Prostheonnouncraniometric point that is the most anterior point in the midline on the alveolar process of the maxillaverified
Prostheticsnounthe branch of medicine dealing with the production and use of artificial body partsverified
Prosthionnouncraniometric point that is the most anterior point in the midline on the alveolar process of the maxillaverified
Prosthodontianounthe branch of dentistry dealing with the replacement of teeth and related mouth or jaw structures by artificial devicesverified
Prosthodonticsnounthe branch of dentistry dealing with the replacement of teeth and related mouth or jaw structures by artificial devicesverified
Protactiniumnouna short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into leadverified
Protanopianoundichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blueverified
Proteanounany tropical African shrub of the genus Protea having alternate rigid leaves and dense colorful flower heads resembling conesverified
Protea FamilynounMWElarge family of Australian and South African shrubs and trees with leathery leaves and clustered mostly tetramerous flowersverified
Proteasenounany enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysisverified
Protect & DefendnounMWEA NICE Workforce Framework category consisting of specialty areas responsible for the identification, analysis, and mitigation of threats to internal IT systems or networks.Capability
Protect FunctionnounMWEA Cybersecurity Function that focuses on developing and implementing the appropriate safeguards to ensure delivery of critical infrastructure services.Capability
Protected AttributenounMWEAn attribute that partitions a population into groups whose outcomes should have parity. Examples include race, gender, caste, and religion. Protected attributes are not universal, but are application specific.DataRegulatedPII
Protected ClassnounMWE[a feature] that may not be used as the basis for decisions [and] could be chosen because of legal mandates or because of organizational values. Some common protected [classes] include race, religion, national origin, gender, marital status, age, and socioeconomic status.RequirementRegulatedPII
Protected Distribution SystemnounMWEWire line or fiber optic system that includes adequate safeguards and/or countermeasures (e.g., acoustic, electric, electromagnetic, and physical) to permit its use for the transmission of unencrypted information through an area of lesser classification or control.NetworkRegulatedCUI
Protection PhilosophynounMWEInformal description of the overall design of an information system delineating each of the protection mechanisms employed. Combination of formal and informal techniques, appropriate to the evaluation class, used to show the mechanisms are adequate to enforce the security policy.Requirement
Protection ProfilenounMWECommon Criteria specification that represents an implementation-independent set of security requirements for a category of Target of Evaluations (TOE) that meets specific consumer needs.FrameworkInternal
Protectionismnounthe policy of imposing duties or quotas on imports in order to protect home industries from overseas competitionverified
Protective ColorationnounMWEcoloration making an organism less visible or attractive to predatorsverified
Protective Distribution SystemnounMWEWire line or fiber optic system that includes adequate safeguards and/or countermeasures (e.g., acoustic, electric, electromagnetic, and physical) to permit its use for the transmission of unencrypted information.SystemRegulatedCUI
protective measurenounMWEAny precautionary action, procedure or installation conceived or undertaken to guard or defend from harm persons, property or the environment.Control
Protective PackagingnounMWEPackaging techniques for COMSEC material that discourage penetration, reveal a penetration has occurred or was attempted, or inhibit viewing or copying of keying material prior to the time it is exposed for use.ControlRegulatedCUI
protective technologynounMWESpecial tamper-evident features and materials employed for the purpose of detecting tampering and deterring attempts to compromise, modify, penetrate, extract, or substitute information processing equipment and keying material.ControlRegulated
Protectoratenouna state or territory partly controlled by, but not a possession of, a stronger state but autonomous in internal affairsverified
Protegenouna person who receives support and protection from an influential patron who furthers the protege's careerverified
Proteinnounany of a large group of nitrogenous organic compounds that are essential constituents of living cellsverified
Protein FoldingnounMWEthe process whereby a protein molecule assumes its intricate three-dimensional shapeverified
Protein MoleculenounMWEany large molecule containing chains of amino acids linked by peptide bondsverified
Proteinurianounthe presence of excessive protein (chiefly albumin but also globulin) in the urineverified
Proteolysisnounthe hydrolysis of proteins into peptides and amino acids by cleavage of their peptide bondsverified
Proteomicsnounthe branch of genetics that studies the full set of proteins encoded by a genomeverified
Protest MarchnounMWEoccasion when you can express opposition by marching (usually on some government institution) without a licenseverified