13-letter words containing o, m, n, i, r, a
- royal marines — a corps of soldiers specially trained in amphibious warfare
- sanction mark — a mark on pieces of 19th-century French furniture signifying that the piece met the quality standards required by the Parisian guild of ebonists
- semicarbazone — a product that occurs as a result of aldehyde or ketone reacting with semicarbazide
- seminole wars — a series of conflicts in 1818–19 between American forces under Andrew Jackson and the Seminole Indians in Spanish-controlled eastern Florida.
- semiporcelain — any of several vitrified ceramic wares lacking the translucency or hardness of true porcelain but otherwise similar to it.
- senior airman — a noncommissioned officer ranking between a staff sergeant and airman first class. Abbreviation: SrA.
- senior master — a male teacher in a senior position
- sex chromatin — Barr body.
- shop chairman — a unionized employee elected to represent a shop, department, or the like, in dealings with an employer.
- sierra morena — a mountain range in SW Spain, between the Guadiana and Guadalquivir Rivers. Highest peak: Estrella, 1299 m (4262 ft)
- silver salmon — coho salmon.
- simon bolivar — Simón [sahy-muh n;; Spanish see-mawn] /ˈsaɪ mən;; Spanish siˈmɔn/ (Show IPA), ("El Libertador") 1783–1830, Venezuelan statesman: leader of revolt of South American colonies against Spanish rule.
- spanish broom — a spiny, often leafless shrub, Genista hispanica, of the legume family, native to southern Europe, having clustered, golden-yellow flowers and hairy pods.
- spermatogenic — relating to the development of spermatozoa
- spermatotoxin — spermotoxin.
- sportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- sportsmanship — the character, practice, or skill of a sportsman.
- stain remover — a substance designed for removing stains or dirty marks, as from clothes, carpets, etc
- staminiferous — bearing or having a stamen or stamens.
- standing room — space in which to stand, as in a theater, stadium, or the like.
- stationmaster — a person in charge of a railroad station; station agent.
- storm warning — a showing of storm signals.
- subprime loan — A subprime loan is a loan with a higher interest rate, to borrowers who are a high credit risk.
- summarization — to make a summary of; state or express in a concise form.
- superdominant — submediant.
- superorganism — a form of life composed of mutually interdependent parts that maintain various vital processes.
- superromantic — exceptionally romantic
- syringomyelia — a disease of the spinal cord in which the nerve tissue is replaced by a cavity filled with fluid.
- tangata māori — someone of Māori origin
- tautochronism — the fact or quality of being a tautochrone
- temporariness — lasting, existing, serving, or effective for a time only; not permanent: a temporary need; a temporary job.
- temporization — to be indecisive or evasive to gain time or delay acting.
- terminal post — A terminal post is the terminal on a battery to which the battery lead is attached.
- theanthropism — the doctrine of the union of the divine and human natures, especially the manifestation of God as man in Christ.
- thermal noise — a wide spectrum of electromagnetic noise appearing in electronic circuits and devices as a result of the temperature-dependent random motions of electrons and other charge carriers.
- thermodynamic — of or relating to thermodynamics.
- thermostating — a device, including a relay actuated by thermal conduction or convection, that functions to establish and maintain a desired temperature automatically or signals a change in temperature for manual adjustment.
- thrombokinase — Biochemistry. a lipoprotein in the blood that converts prothrombin to thrombin.
- tibeto-burman — a subfamily of Sino-Tibetan languages, including especially Tibetan and Burmese.
- to stand firm — If someone stands firm, they refuse to change their mind about something.
- trade mission — commercial business trip
- transcriptome — a collection of all the messenger RNA in a particular cell
- transmisogyny — discrimination or prejudice against transgender women.
- transmountain — across or through a mountain or mountains
- transmutation — the act or process of transmuting.
- treponemiasis — infection with treponema; syphilis.
- triamcinolone — a synthetic glucocorticoid drug, C 21 H 27 FO 6 , used in the symptomatic treatment of inflammation.
- trimethadione — a synthetic, white, crystalline powder, C 6 H 9 NO 3 , used as an anticonvulsant to control petit mal epileptic seizures.
- tromba marina — trumpet marine.
- troublemaking — a person who causes difficulties, distress, worry, etc., for others, especially one who does so habitually as a matter of malice.