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Spiritual successor
A spiritual successor, also called a spiritual sequel, is a new work resembling an earlier one under a separate brand, most commonly in video games.
Spiritual Therapies
Spiritual therapies are mystical, religious, or spiritual practices performed for health benefit, including prayer, faith healing, Reiki, Therapeutic Touch, meditation, and yoga; randomized trial evidence is mixed with very low certainty.
Spiritual warfare
Spiritual warfare is the Christian belief and practice of combating invisible demonic forces through prayer, fasting, and exorcism, anchored in Ephesians 6 and systematized by C. Peter Wagner in the late 1980s.
Spirituality
Spirituality is a family of beliefs, experiences, and practices centered on connection with something beyond the ordinary self, whether God, nature, other people, or one's true self.
Spiritualized
Spiritualized is an English rock band formed in 1990 by Jason Pierce (J Spaceman) after Spacemen 3 split. Known for Lazer Guided Melodies (1992) and Ladies and Gentlemen We Are Floating in Space (1997); albums through Everything Was Beautiful (2022).
Spiritually Israeli
Spiritually Israeli is a pejorative internet slang phrase popularized in mid-2025 on TikTok and X for things seen as vapid, soulless, or overcommercialized, with no real link to Israel; it grew from the Albert Levi 'artist from Israel' meme and is widely criticized as antisemitic.
Spirituals
Spirituals are religious folk songs created by enslaved African Americans in the American South, blending Christian themes with West African elements like call-and-response, and sometimes carrying coded messages about escape.
Spiro (company)
Spiro is an African electric mobility company, founded in 2019, that sells electric motorcycles and operates the continent's largest battery-swapping network across seven countries, with over 100,000 bikes by mid-2026.
Spiro Agnew
Spiro Theodore Agnew (1918–1996), 39th vice president of the United States under Nixon (1969–October 10, 1973) and 55th governor of Maryland, resigned after pleading no contest to tax evasion over kickbacks; succeeded by Gerald Ford.
Spiro Cheriogotis
Spiro Cheriogotis, 109th mayor of Mobile, Alabama since November 3, 2025; former Mobile County District Court judge (2018-2025) who won the 2025 runoff over Barbara Drummond with 51.4%.
Spiro Mounds
Spiro Mounds is a pre-Columbian Native American archaeological site in Le Flore County, Oklahoma, a major Caddoan Mississippian ceremonial center from about AD 850 to 1450.
Spiro-OMeTAD
Spiro-OMeTAD, first described in 1998, is an amorphous organic p-type semiconductor used as the benchmark hole-transporting material in perovskite and solid-state dye-sensitized solar cells, enabling certified devices above 26% efficiency.
Spirobranchus giganteus
Spirobranchus giganteus, the Christmas tree worm (spiral-gilled tubeworm), is a colorful serpulid polychaete symbiotic with reef corals; now restricted by WoRMS to Caribbean specimens after the old circumtropical species was split into complexes.
Spirochaeta
Spirochaeta: free-living, non-pathogenic helical bacteria genus (Ehrenberg 1835, type species S. plicatilis) in Spirochaetaceae, found in sulfide-rich mud and sewage; several species reclassified into Treponema and Sphaerochaeta.
Spirochaete
Spirochaetes (phylum Spirochaetota) are spiral Gram-negative bacteria with periplasmic endoflagella, including the agents of syphilis, Lyme disease, and leptospirosis; taxonomy revised into four orders and five families.
Spirodela
Spirodela (giant duckweed) is a genus of four free-floating aquatic plants in Araceae, Lemnoideae, the most ancestral duckweed genus, used in wastewater phytoremediation and genomics, with Spirodela polyrhiza the type species.
Spirodiclofen
Spirodiclofen (Envidor, BAJ 2740), a tetronic acid acaricide and insecticide, IRAC Group 23 acetyl-CoA carboxylase inhibitor introduced by Bayer in 2003; EU approval expired 2020, resistance documented in citrus mites.
Spirograph
Spirograph: geometric drawing toy invented by Denys Fisher, shown at Nuremberg 1965, US launch by Kenner 1967; draws hypotrochoids and epitrochoids with toothed wheels and rings.
Spirogyra
Spirogyra is a genus of unbranched filamentous freshwater green algae (Zygnemataceae) with spiral ribbon chloroplasts, reproducing by conjugation; 400-plus species, closest algal relatives of land plants, also called pond silk.
Spiroid gear
The Spiroid gear is a skew-axis speed-reduction gear set, invented by Oliver E. Saari at Illinois Tool Works in the 1950s, with a tapered worm pinion meshing a spiral-toothed face gear.
Spiromesifen
Spiromesifen (CAS 283594-90-1, Oberon, Interrupt) is a spirocyclic tetronic acid, IRAC Group 23 insecticide-acaricide inhibiting acetyl CoA carboxylase lipid synthesis, used against mites and whiteflies; EU approval expired 30 September 2023.
Spirometer
Spirometer: device measuring lung air volume and flow, invented and named by John Hutchinson in 1846, who also coined vital capacity. Central to spirometry for diagnosing asthma and COPD, standardized by ATS/ERS since 1979.
Spirometry
Spirometry is a pulmonary function test measuring how much air a person can exhale and how quickly, widely used to diagnose and monitor lung diseases such as COPD.
SPIROMICS study
SPIROMICS (SubPopulations and InteRmediate Outcome Measures In COPD Study), NCT01969344, is an NHLBI-funded US prospective COPD cohort of about 2,981 participants at twelve centers, identifying COPD subpopulations and biomarkers, with SOURCE, AIR, and HF extensions.
Spironolactone
Spironolactone (Aldactone) is a steroidal mineralocorticoid receptor antagonist and potassium-sparing diuretic discovered at Searle in the 1950s, launched 1960, used for edema, hypertension, heart failure, and PCOS, with hyperkalemia and gynecomastia as key risks.
Spiroplasma
Spiroplasma: wall-less helical Mollicutes genus (Saglio et al. 1973, type species S. citri) of insect-transmitted plant pathogens and arthropod symbionts, cultivable, motile by kinking, genomes 780-2,220 kbp.
Spirotetramat
Spirotetramat (Movento) is a Bayer systemic ketoenol insecticide, IRAC Group 23 acetyl-CoA carboxylase inhibitor, phloem- and xylem-mobile, controlling sucking pests; EU-approved 2014-2024 with known ACC-mutation resistance in Myzus persicae.
Spirou (magazine)
Spirou (Le Journal de Spirou) is a weekly Franco-Belgian comics magazine published by Dupuis at Marcinelle since 21 April 1938; creator Rob-Vel's bellboy Spirou, the Amis de Spirou club, and series like Lucky Luke, Gaston, and the Smurfs define it.
Spiroxamine
Spiroxamine (KWG 4168) is a spiroketal-amine, SBI Class II (FRAC 5) systemic fungicide controlling powdery mildew in cereals and grapes; EU-approved since 2012, expiry extended to 31 May 2026.
Spiru Haret
Spiru Haret (1851–1912) was a Romanian mathematician, astronomer, and statesman whose education laws of 1898–1910 reformed Romanian schooling; his doctoral work on planetary orbits drew praise from Henri Poincaré.