ExpertGlossary terms starting with P

3,647 terms

  1. Pseudogynecomastia (soo'-doh-guy'-neh-co-mast"-ee-uh) false gynecomastia; condition of fat distribution in men and boys that makes them appear as if they have breasts.
  2. pseudohash A reference to an array whose initial element happens to hold a reference to a hash.
  3. pseudoliteral An "operator" that looks something like a "literal", such as the output-grabbing operator, `command`.
  4. Pseudomonas spp. A widely distributed Gram-negative bacterial genus. Many of the soil forms produce a pigment that fluoresces under ultraviolet light, hence the…
  5. pseudomyxoma peritonei (SOO-doh-mix-OH-muh PAYR-ih-TOH-nee-I) A build-up of mucus in the peritoneal cavity.
  6. Pseudonym A subscriber name that has been chosen by the subscriber that is not verified as meaningful by identity proofing.
  7. pseudorandom noise Noise that satisfies one or more of the standard tests for statistical randomness.
  8. pseudorandom number generator A device that produces a stream of unpredictable, unbiased, and usually independent bits. 2.
  9. Pseudorandom number generator (PRNG) An algorithm that produces a sequence of bits that are uniquely determined from an initial value called a seed.
  10. pseudorandom number sequence An ordered set of numbers that has been determined by some defined arithmetic process but is effectively a random number sequence for the purpose for…
  11. PSG Passage
  12. Psi Pounds of pressure per square inch.
  13. Psia Pounds/force per square inch absolute.
  14. Psig Pounds/force per square inch gauge.
  15. PSIPS Publication Site for Issued and Published Sequences -- also see bio-sequence listings
  16. PSK Abbreviation for phase-shift keying.
  17. PSM Portable Space Model.
  18. PSN Packet Switching Node.
  19. PSO An Active Directory object that is stored in the Password Settings Container. The Password Settings object holds the attributes of a certain fine-grained…
  20. psophometer An instrument that provides a visual indication of the audible effects of disturbing voltages of various frequencies.
  21. psophometric voltage Circuit noise voltage measured with a psophometer that includes a CCIF-1951 weighting network.
  22. psophometric weighting A noise weighting established by the International Consultative Committee for Telephony (CCIF, which became CCITT and, more recently, ITU-T), designated…
  23. psophometrically weighted dBm See dBm(psoph), dBm0p.
  24. psoralen (SOR-uh-len) A substance from plants that is sensitive to light (or can be activated by light).
  25. psoralen and ultraviolet A therapy (SOR-uh-len…UL-truh-VY-oh-let A THAYR-uh-pee) A type of photodynamic therapy used to treat skin conditions such as psoriasis, vitiligo, and…
  26. psoriasis A chronic disease of the skin marked by red patches covered with white scales.
  27. PSP Program Support Plan.
  28. PSRR Preliminary System Requirements Review.
  29. PSS (1) Passive Sensor System. (2) Passive Surveillance Sensor (Project 1106 term).
  30. PSSC Preliminary System Security Concept.
  31. PST Please Send Tell. Indicates that the person speaking wants to receive communication via a /t(ell) or /w(hisper) command.
  32. PST (Personal Folder File) The place where Outlook stores its data (when Outlook is used without Microsoft Exchange Server). A PST file is created when a mail account is set up.
  33. PST file format File format used by the Microsoft Outlook personal information management (PIM) program, which includes email, task management and a calendar.
  34. PSTN Public Switched Telephone Network
  35. PSTN (public service telephone network) The public service telephone network (PSTN) is the traditional, land-line based system for exchanging phone calls.
  36. PSU Power supply unit. The replaceable device that supplies power to a NetApp appliance.
  37. PSW Packet Switching.
  38. psychiatrist (sy-KY-uh-trist) A medical doctor who specializes in the prevention, diagnosis, and treatment of mental, emotional, and behavioral disorders.
  39. psychological (SY-koh-LAH-jih-kul) Having to do with how the mind works and how thoughts and feelings affect behavior.
  40. Psychological value. See Social value.
  41. psychologist (sy-KAH-loh-jist) A specialist who can talk with patients and their families about emotional and personal matters, and can help them make decisions.
  42. psychosis (sy-KOH-sis) A severe mental disorder in which a person loses the ability to recognize reality or relate to others.
  43. psychostimulant (SY-koh-STIM-yoo-lunt) A drug that causes a sense of well-being, decreases fatigue and depression, and increases the desire to eat.
  44. Psychotherapeutics Drugs that have an effect on the function of the brain and that often are used to treat psychiatric/neurologic disorders; includes opioids, CNS…
  45. psychotherapy (SY-koh-THAYR-uh-pee) Treatment of mental, emotional, personality, and behavioral disorders using methods such as discussion, listening, and counseling.
  46. Psychrometer An instrument for measuring relative humidity by means of wet and dry-bulb temperatures.
  47. Psychrometric tables Psychrometric tables Tables prepared from the psychrometric formula and used to obtain vapor pressure, relative humidity, and dew point from wet- and…
  48. Psychrometrics The analysis of atmospheric conditions, particularly moisture in the air.
  49. psychrophile A micro-organism that can grow at temperatures below 30 °C and as low as 0 °C. See: mesophile, thermophile.
  50. psyllium (SIH-lee-um) A plant with seeds that are used as a mild laxative. The outer layer of the seeds swells when wet.
  51. PSYOP Psychological Operations.
  52. PsyOps Psychological Operations.
  53. PT-100 A substance being studied in the treatment of cancer, including certain types of lung, pancreas, and brain cancer.
  54. PTA Patent Term Adjustment -- see MPEP 2700 for more -- see PTA Calculation for more
  55. PTBT Partial Test Ban Treaty.
  56. PTC A procedure to x-ray the hepatic and common bile ducts. A contrasting agent is injected into the liver or bile duct, and the ducts are then x-rayed to…
  57. PTCD A procedure to drain bile to relieve pressure in the bile ducts caused by a blockage.
  58. PTCHY Patchy
  59. PTCLDY Partly Cloudy
  60. PTDB Problem Tracking Data Base.
  61. PTDL Patent and Trademark Depository Library -- see PTDL program
  62. PTDY On a buoy report, Pressure Tendency is the sign (plus or minus) and the amount of pressure change (hPa) for a three hour period ending at the time of…
  63. PTE Patent Term Extension -- see MPEP 2700 for more -- see PTE Calculation for more
  64. PTF Abbreviation for patch and test facility.
  65. PTH A substance made by the parathyroid gland that helps the body store and use calcium.
  66. PTI Pacific Telecom, Incorporated.
  67. PTK787/ZK 222584 A substance that is being studied in the treatment of cancer. It belongs to the families of drugs called protein tyrosine kinase inhibitors and VEGF…
  68. PTLD A condition in which a group of B-cells grow out of control after an organ transplant in patients with weakened immune systems.
  69. PTLY Partly
  70. PTM Abbreviation for pulse-time modulation.
  71. PTN Portion
  72. PTO Patent and Trademark Office, former designation for USPTO also a type of form designation for forms generated by the USPTO (as in PTO-892)
  73. PTO (Patent and Trademark Office) the government agency, located in Arlington, Virginia, that is responsible for issuing patents.
  74. PTOL a type of form designation such as Form PTOL, meaning a Patent and Trademark Office Legal form
  75. PTOS Patent and Trademark Office Society
  76. ptosis (TOH-sis) Drooping of the upper eyelid.
  77. PTP (Pass-Through-Port) allows cartridges to be passed between StorageTek robotic units.
  78. PTPM Product Transition Procedure Manual.
  79. PTSD An anxiety disorder that develops in reaction to physical injury or severe mental or emotional distress, such as military combat, violent assault, natural…
  80. PtSi Platinum Silicide .
  81. PTT Abbreviation for postal, telegraph, and telephone (organization). In countries having nationalized telephone and telegraph services, the organization…
  82. PTTI Abbreviation for precise time and time interval.
  83. PTTN pattern
  84. PTV Propulsion Test Vehicle.
  85. PTWC (Pacific Tsunami Warning Center) - The Pacific Tsunami Warning Center in Ewa Beach (pronounced Eva Beach), HI has an international warning responsibility…
  86. PTWG Producible Technology Working Groups.
  87. PTYPE precipitation type
  88. Pu Plutonium. 237
  89. puberty (PYOO-ber-tee) The time of life when a child experiences physical and hormonal changes that mark a transition into adulthood.
  90. public A Java keyword used in a method or variable declaration. It signifies that the method or variable can be accessed by elements residing in other classes.
  91. Public (Asymmetric) Key Encryption Public key cryptography uses key pairs, a public key and a mathematically related private key.
  92. public access The access privilege in an access control list (ACL) that includes Depositor access and No Access and that allows reading, writing, and copying public…
  93. Public access file Public access file means documentation that is available for public examination at the employer's principal place of business in the U.S.
  94. Public Adjuster A person you can hire to help settle a claim with an insurance company. A public adjuster may be hired to handle a complex or difficult loss negotiation.
  95. Public affairs officer The dam operating organization's designated person responsible for public affairs.
  96. Public Alert and Notification System The system for obtaining the attention of the public and providing appropriate emergency information.
  97. public AMI An Amazon Machine Image that all AWS accounts have permission to launch.
  98. Public Charge Refers to becoming dependent upon the government for the expenses of living (food, shelter, clothing, etc.). Following U.S.
  99. Public Cloud A cloud computing environment that is open for use to the general public, whether individuals, corporations or other types of organizations.
  100. Public company The stock of a public company is owned and traded by individual and institutional investors.