All articles starting with P

Predictive testing

Predictive testing is genetic testing of an asymptomatic person to estimate their risk of a hereditary disease later in life, first applied to Huntington disease in 1987 and always paired with counseling.

PREDICTIVE™ study

PREDICTIVE™ study (Predictable Results and Experience in Diabetes through Intensification and Control to Target); multinational prospective observational study of insulin detemir in over 30,000 type 1 and type 2 diabetes patients, showing reduced hypoglycaemia, lower HbA1c, and weight neutrality.

Predictor–corrector method

A predictor–corrector method is a numerical method for solving ordinary differential equations: an explicit formula predicts the next step, and a more accurate implicit formula corrects it.

Predissociation

Predissociation is the breakup of a molecule that absorbs light into a bound excited state and then dissociates by a radiationless transition, leaving diffuse bands in absorption spectra.

Predistortion

Predistortion is a linearization technique that deliberately distorts a transmit signal before a power amplifier, canceling the amplifier's nonlinearity so transmitters can run near saturation efficiently.

Prednicarbate

Prednicarbate (Hoe 777, brand Dermatop) is a nonhalogenated moderate-potency topical corticosteroid double ester of prednisolone for eczema and psoriasis, metabolized in skin to prednisolone with low atrophogenic and systemic effects.

Prednisolone

Prednisolone, active metabolite of prednisone, is a synthetic corticosteroid developed at Schering in 1954; anti-inflammatory and immunosuppressive, 3-5 times cortisone potency, used for arthritis, asthma, allergies, and eye inflammation.

Prednisone

Prednisone is a synthetic oral glucocorticoid prodrug converted in the liver to prednisolone; 5 mg equals 20 mg hydrocortisone, used for inflammation, immunosuppression, and adrenal insufficiency replacement.

Prednisone–vinblastine regimen

The prednisone–vinblastine regimen is a two-drug veterinary chemotherapy combination pairing oral prednisone with intravenous vinblastine, used mainly for mast cell tumors in dogs and as a rescue option for relapsed lymphoma.

Prednisone/vincristine regimen

The prednisone/vincristine regimen is a historical two-drug combination chemotherapy induction treatment for acute lymphoblastic leukemia, credited with complete remission rates of 83 to 95% and still embedded in named oncology regimens.

Predrag Jelenković

Predrag Jelekovic, also known as Predrag R. Jelenkovic, is a professor of electrical engineering at Columbia University who received a 1999 Presidential Early Career Award for modeling network behavior.

Predrag Mijatović

Predrag Mijatović, born 1969 in Podgorica, Montenegrin forward; 1987 world youth champion, Valencia and Real Madrid striker, scored the 1998 Champions League final winner, later Real Madrid sporting director 2006-2009 and Partizan executive.

Sep 19, 2026

Predrag Živković Tozovac

Predrag Živković Tozovac (Предраг Живковић Тозовац), known as Tozovac, was a Serbian folk singer, composer, and accordionist, born in Kraljevo in 1936, who popularized starogradska songs.

Predual and ultraweak topology of von Neumann algebras

The predual of a von Neumann algebra is the Banach space whose dual it is, unique up to isometric isomorphism; it determines the ultraweak topology and normal maps.

Sep 19, 2026

Predynastic Egyptian mummies

Predynastic Egyptian mummies are preserved human bodies from Egypt's Predynastic period, preserved by natural desiccation in hot desert sand or deliberate embalming, with the best-known examples from Gebelein held by the British Museum.

Predynastic Shang

Predynastic Shang: the Erlitou and Erligang cultures (c. 1700–1400 BC) of China's Central Plain preceding the historically attested late Shang at Anyang; contested identification with the Xia dynasty.

Preem

Preem is a Swedish fuel company that refines and sells gasoline, diesel, and renewable fuels at its Lysekil and Gothenburg refineries. Founded in 1996, it is Sweden's largest fuel producer.

PREEMPT_RT

PREEMPT_RT, the real-time preemption patch set, makes the Linux kernel almost fully preemptible through sleeping locks and threaded interrupts, reaching mainline with Linux 6.12 in 2024.

Preemption (computing)

Preemption in computing is the forced suspension of a running task by the operating system, the mechanism behind preemptive multitasking, used by Linux, Windows, and macOS.

Preemptive analgesia

Preemptive analgesia is pain treatment started before a surgical incision to prevent central sensitization of spinal neurons, now largely replaced by the broader concept of preventive analgesia.

Preemptive war

Preemptive war is first use of force against an imminent attack, distinguished from preventive war against a distant potential threat. Defined by the Caroline criteria, constrained by UN Charter Articles 2(4) and 51, tested in 1967, 1981, and Iraq 2003.

Preet Bharara

Preet Bharara, born in Firozpur, Punjab, was U.S. Attorney for the Southern District of New York (2009-2017), known for insider-trading convictions (Rajaratnam, Gupta), Silver and Skelos corruption cases, and his 2017 firing by Trump; now a podcaster and author.

Preete Verghese

Preeti Verghese is an American vision scientist who is Chief Scientific Officer at the Smith-Kettlewell Eye Research Institute, known for a signal detection theory of visual search.

Preeti Jhangiani

Preeti Jhangiani (born 1980, Mumbai) is an Indian actress and producer, Hindi debut Mohabbatein (2000) as Kiran, active across Hindi, Telugu, Tamil, Malayalam, Punjabi, and Rajasthani cinema, president of PAFI and co-creator of the Pro Panja League.

Preetika Rao (प्रीतिका राव)

Preetika Rao (प्रीतिका राव) is an Indian actress, writer, and singer, the younger sister of Bollywood actress Amrita Rao, best known for her Hindi television debut in Beintehaa (2013–2014).

Oct 22, 2026

Preetlari

Preetlari (ਪ੍ਰੀਤਲੜੀ, "Love Chain") is a monthly Punjabi literary magazine founded in 1933 by Gurbaksh Singh Preetlari, a progressive forerunner of Punjabi literary magazines that launched writers like Amrita Pritam.

Preexcited atrial fibrillation

Preexcited atrial fibrillation: AF conducting anterograde over a Wolff-Parkinson-White accessory pathway, causing rapid irregular wide QRS tachycardia; treated with cardioversion or ibutilide/procainamide, with AV nodal blockers contraindicated.

Prefa

Prefa (Πρέφα), Greek Preference, is a three-player trick-taking card game of the Russian Preference family: 32-card deck, ten cards each, bidding from six tricks, defender trick quotas, and pouch-and-chip scoring.

Prefab Sprout

Prefab Sprout, English sophisti-pop band led by Paddy McAloon (also McAloon Brothers, formed late 1970s in County Durham), known for Steve McQueen (1985, US title Two Wheels Good) and Jordan: The Comeback (1990); sole UK Top 10 single "The King of Rock 'n' Roll".