12-letter words containing s, p, o, i, l, r
- promissorily — (in law) in a promissory way
- propitiously — presenting favorable conditions; favorable: propitious weather.
- proscribable — to denounce or condemn (a thing) as dangerous or harmful; prohibit.
- prosectorial — characteristic of a prosector
- prosodically — in a prosodic manner
- prostacyclin — a prostaglandin, C 2 0 H 3 2 O 5 , that specifically inhibits the formation of blood clots.
- prosyllogism — a syllogism the conclusion of which is used as a premise of another syllogism; any of the syllogisms included in a polysyllogism except the last.
- protensively — in the manner of duration
- protistology — the biology of the Protista.
- protoplasmic — Biology. (no longer in technical use) the colloidal and liquid substance of which cells are formed, excluding horny, chitinous, and other structural material; the cytoplasm and nucleus.
- public works — government-funded construction
- pyroligneous — produced by the distillation of wood.
- pyrosulfuric — of or derived from pyrosulfuric acid; disulfuric.
- rapeseed oil — a brownish-yellow oil obtained by expression from rapeseed and used chiefly as a lubricant, an illuminant, and in the manufacture of rubber substitutes.
- relationship — a connection, association, or involvement.
- responsively — responding especially readily and sympathetically to appeals, efforts, influences, etc.: a responsive government.
- responsorial — of or relating to response; responsive
- retropulsion — an abnormal tendency to walk backwards: a symptom of Parkinson's disease
- retropulsive — of or relating to retropulsion
- rhizophilous — (esp of insects) preferring to live or grow near or on roots
- risk pooling — Risk pooling is the practice of sharing all risks among a group of insurance companies.
- rs flip-flop — SR flip-flop
- saprobiology — the branch of ecology that studies decaying organic matter or environments, especially saprophytes that derive nourishment in this way.
- scolopendrid — any myriapod of the order Scolopendrida, including many large, poisonous centipedes.
- scopes trial — John Thomas, 1901–70, U.S. high-school teacher whose teaching of the Darwinian theory of evolution became a cause célèbre (Scopes Trial or Monkey Trial) in 1925.
- scorpion fly — any of several harmless insects of the order Mecoptera, the male of certain species having a reproductive structure that resembles the sting of a scorpion.
- scrophularia — a member of a genus of flowering plants which have a square stem and are known as figworts
- scrupulosity — having scruples, or moral or ethical standards; having or showing a strict regard for what one considers right; principled: scrupulous about defending human rights.
- self-proving — to establish the truth or genuineness of, as by evidence or argument: to prove one's claim.
- self-worship — reverent honor and homage paid to God or a sacred personage, or to any object regarded as sacred.
- semi-popular — regarded with favor, approval, or affection by people in general: a popular preacher.
- semitropical — subtropical.
- short splice — a splice used when an increased thickness of the united rope is not objectionable, made by unlaying the rope ends a certain distance, uniting them so that their strands overlap, then tucking each alternately over and under others several times.
- siderophilic — having characteristics of siderophile
- signal corps — a branch of the army responsible for military communications, meteorological studies, and related work.
- silver point — the melting point of silver, equal to 960.8°C, used as a fixed point on the international temperature scale.
- silver spoon — spoon (def 16).
- simple group — a group that has no normal subgroup except the group itself and the identity.
- slip through — be undetected
- slipper foot — an elongated pad foot.
- slipper sock — a sock with a soft leather or vinyl sole sewn onto it, used as indoor footwear.
- sloop-rigged — (of a sailboat) fore-and-aft rigged with a mainsail and a jib.
- soil profile — a vertical succession of horizons, commonly lettered A, B, C (beginning at the surface), that have been subjected to soil-forming processes, chiefly leaching and oxidation.
- sophomorical — characteristic of a sophomore
- special sort — a character, such as an accented letter, that is not a usual member of any font
- spectatorial — a person who looks on or watches; onlooker; observer.
- spin control — Slang. an attempt to give a bias to news coverage, especially of a political candidate or event.
- spiral-bound — having a spiral binding.
- spirochaetal — resulting from spirochaetes
- spoil ground — an area within a body of water, especially in the sea, where dredged material is deposited.