11-letter words containing p, o, r, n, i
- spermotoxin — a substance toxic to spermatozoa.
- spin bowler — a bowler who specializes in bowling balls with a spinning motion
- spin doctor — Slang. a press agent skilled at spin control.
- spinal cord — the cord of nerve tissue extending through the spinal canal of the spinal column.
- spiniferous — (esp of plants) bearing spines or thorns
- spinsterdom — the state of being a spinster
- sponge iron — finely divided, porous iron, reduced from an oxide at a temperature below the melting point.
- sponsorship — a person who vouches or is responsible for a person or thing.
- spore print — the pattern produced by placing the cap of a mushroom on a piece of paper and allowing the spores to fall
- sporogonium — the sporangium of mosses and liverworts.
- sporulation — to produce spores.
- spring lock — a lock that fastens automatically by a spring.
- spring roll — an egg roll.
- spring snow — corn snow.
- springboard — a flexible board, projecting over water, from which divers leap or spring.
- springhouse — a small storehouse built over a spring or part of a brook, for keeping such foods as meat and dairy products cool and fresh.
- strip joint — a nightclub or other establishment featuring striptease performances.
- strongpoint — a fortified defensive position; stronghold.
- sun-worship — the act of worshipping the sun as a deity
- supernation — a large body of people, associated with a particular territory, that is sufficiently conscious of its unity to seek or to possess a government peculiarly its own: The president spoke to the nation about the new tax.
- supersonics — the branch of science that deals with supersonic phenomena.
- supervision — the act or function of supervising; superintendence.
- suppression — the act of suppressing.
- suppuration — the process of suppurating.
- surgeonship — the position or responsibility of a surgeon
- suspiration — a long, deep sigh.
- sword-point — the point of a sword
- temporizing — an agreement for a limited period of time
- thoroughpin — an abnormal swelling just above the hock of a horse, usually appearing on both sides of the leg and sometimes causing lameness.
- thyrotropin — an anterior pituitary hormone that regulates the activity of the thyroid gland.
- top-ranking — A top-ranking person is someone who has a very high rank or status in a particular organization or field of activity.
- topdressing — an application of fertiliser to soil
- topocentric — as seen from, with reference to, or coordinating to a point on the surface of the earth
- torpedinous — of, relating to, or resembling a torpedo
- torrey pine — a rare pine tree, Pinus torreyana, having a rounded crown of branches, growing in a limited area on the southern coast of California.
- transphobia — unreasoning hostility, aversion, etc., toward transgender people.
- transposing — the act of transposing
- trepidation — tremulous fear, alarm, or agitation; perturbation.
- trichonymph — a flagellated protozoan of the genus Trichonympha that lives in the intestine of wood-eating termites, transforming the cellulose in the wood into soluble carbohydrates that can be utilized by the insect.
- tripersonal — consisting of or existing in three persons, as the Godhead.
- triple bond — a chemical linkage consisting of three covalent bonds between two atoms of a molecule, represented in chemical formulas by three lines or six dots, as CH≡CH or CH⋮⋮CH.
- troop train — a train used for transporting military personnel
- tropomyosin — a protein in muscle tissue that works with troponin to control the process by which actin and myosin interact to produce muscle contraction
- trypanocide — a drug or substance that kills trypanosomes
- trypsinogen — a precursor of trypsin that is secreted by the pancreas and is activated to trypsin in the small intestine.
- turnip moth — a common noctuid moth, Agrotis segetum, drab grey-brown in colour, the larvae of which feed on root crops and brassica stems
- two-pointer — a shot from inside or on the three point line, worth two points if it is made
- tympaniform — resembling or having the form of a drum or drum head
- unapproving — expressing disapproval or displeasure
- unimportant — of much or great significance or consequence: an important event in world history.