All articles starting with N

Nylon depolymerization

Nylon depolymerization is the chemical recycling of nylon, breaking polyamide polymers back into monomers like ε-caprolactam for purification and repolymerization into virgin-quality plastic, a process used industrially since the 1990s.

Nylon recycling

Nylon recycling is the recovery of polyamide (nylon) waste through mechanical, chemical, solvent-based, or biological processes that return it to usable polymer or monomers such as caprolactam.

Nym (mixnet)

Nym, also known as the Nym network, is a decentralized mixnet operated from Switzerland that hides who is talking to whom by mixing and delaying packets.

Nymph (biology)

Nymph: the juvenile stage of hemimetabolous (incomplete-metamorphosis) insects such as grasshoppers, bugs, and cockroaches; resembles the adult but wingless, molting through instars; aquatic forms called naiads.

Nymph (νύμφη)

Nymph (νύμφη, nymphē): minor female nature deity of Greek and Roman mythology, also called Naiads, Dryads, Nereids by habitat; long-lived spirits of springs, trees, mountains, and sea, mothers of heroes and objects of rural water-source cult.

Nymph of the Luo River

Nymph of the Luo River (Luoshen fu tu) is a Chinese handscroll painting attributed to Gu Kaizhi, illustrating Cao Zhi's rhapsody about the Luo River goddess.

Nymphaea

Nymphaea (water lilies) is a cosmopolitan genus of about 50 aquatic flowering plants in Nymphaeaceae, with floating cordate leaves, showy flowers, five subgenera, an Early Cretaceous family fossil record, and major ornamental and edible uses.

Nymphaea alba

Nymphaea alba, the European white water lily (weiße Seerose), is a rhizomatous aquatic herb native from Europe to the W. Himalaya and NW. Africa, with floating cordate leaves, white 70–140 mm flowers, and close affinity to N. candida.

Nymphaea lotus

Nymphaea lotus, the white Egyptian lotus or white water lily, is an African tuberous water lily (Nymphaeaceae) with white night-opening flowers, edible and medicinal uses, and IUCN Least Concern status.

Nymphaeaceae

Nymphaeaceae, commonly called the water-lily family, is a family of perennial aquatic flowering plants with floating leaves and showy flowers, comprising about 70 species in five genera including Nymphaea and Victoria.

Nymphaeum divi Alexandri

Nymphaeum divi Alexandri (Nymphaeum Alexandri, Trofei di Mario): monumental Roman fountain on the Esquiline, Rome, built under Alexander Severus, between the via Tiburtina and via Labicana; brick remains survive in Piazza Vittorio Emanuele II gardens.

Nymphaeum of via degli Annibaldi

Nymphaeum of via degli Annibaldi (Ninfeo di via degli Annibaldi), Roman monumental fountain on Rome's Oppian Hill, 50 BC to Augustan era, found 1895; shell-and-glass wall mosaic, nine-niche apse, 1.45 m basin, cut by the modern street.

Nymphalidae

Nymphalidae, the brush-footed butterflies, is the largest butterfly family, about 6,400 species in 12 subfamilies, defined by reduced brush-like forelegs, sister to Lycaenidae+Riodinidae, and diversified after the K-Pg boundary.

Nymphalis antiopa

Nymphalis antiopa, the mourning cloak or Camberwell beauty (Trauermantel), is a Holarctic nymphalid butterfly with maroon wings edged in yellow; adults live 10–11 months, overwinter, and feed on tree sap.

Nymphenburg Commedia dell'arte figures

Sixteen hard-paste porcelain figurines of Italian comedy characters modeled by Franz Anton Bustelli at the Nymphenburg Porcelain Manufactory near Munich around 1759–60, among the finest eighteenth-century porcelain sculptures.

Nymphenburg Palace

Nymphenburg Palace (Schloss Nymphenburg) is a former summer residence of the Wittelsbach rulers of Bavaria, west of Munich, begun in 1664 and home to King Ludwig II's birthplace.

Nymphia Wind

Nymphia Wind (妮妃雅), stage name of Leo Tsao, is a Taiwanese American drag queen who won RuPaul's Drag Race season 16 in 2024 as the show's first East Asian and first Taiwanese champion, known for yellow, banana motifs, and Taiwanese cultural costumes.

Nymphoides

Nymphoides (floatinghearts, water snowflakes) is a cosmopolitan genus of about 50 floating-leaved aquatic herbs in Menyanthaceae that resemble water lilies but are unrelated, with white or yellow fringed flowers and invasive tendencies.

Nymphoides indica

Nymphoides indica, the water snowflake, is a floating aquatic plant with round green leaves and white fringed flowers, native to tropical Asia and the Pacific.

Nymphomaniac (film)

Nymphomaniac (Nymph()maniac) is Lars von Trier's 2013 two-part erotic drama starring Charlotte Gainsbourg and Stellan Skarsgård, released in four-hour and 5.5-hour cuts with unsimulated sex and contested censorship.

Sep 19, 2026

Nynetjer

Nynetjer, also known as Ninetjer and Binothris, was the third pharaoh of Egypt's Second Dynasty, reigning about 43 to 45 years around 2780 BC and buried at Saqqara.

Oct 15, 2026

NYNEX

NYNEX was a regional Bell holding company serving the northeastern United States through New York Telephone and New England Telephone until its 1997 merger into Bell Atlantic.

Sep 21, 2026

Nynke Dekker

Nynke Dekker, born 1971 in Amsterdam, is a biophysicist and Statutory Professor of Biophysics at Oxford, known for single-molecule studies of DNA replication and magnetic tweezers.

Nynorsk

Nynorsk (New Norwegian) is one of two equal official written standards of Norwegian, codified by Ivar Aasen from dialects and equal to Bokmål since 1885; used by roughly 10-15% of Norwegians, strongest in Vestlandet.

Nynorsk Literature Prize

The Nynorsk Literature Prize (Nynorsk litteraturpris) is a Norwegian literary prize, first awarded in 1982, honoring the best adult fiction book in Nynorsk or dialect published the preceding year.

Sep 27, 2026

Nyo Saw

Nyo Saw, also known as U Nyo Saw, is a Myanmar politician and former Lieutenant General serving as Vice President of Myanmar since March 2026.

Nyōbō bungaku

Nyōbō bungaku (女房文学, women-of-the-court literature) is Japanese literature in kana by court women of the mid-Heian period, including The Tale of Genji and The Pillow Book.

Nyonoksa radiation accident

Nyonoksa radiation accident (Инцидент в Нёноксе, also Nenoksa accident): 8 August 2019 explosion at a Russian naval test site near Severodvinsk that killed five Rosatom specialists, spiked radiation to 16 times background, and involved detected fission products indicating a critical reactor event.

Nyota Uhura

Nyota Uhura is the Star Trek communications officer, played by Nichelle Nichols (1966–69), Zoe Saldaña (2009), and Celia Rose Gooding; her first name, Swahili for star, became canon only in 2009.