12-letter words containing p, e, r, y
- sleeper goby — any gobioid fish of the family Eleotridae, of brackish or fresh tropical waters, resembling the gobies but lacking a ventral sucker
- slippery dip — a long slide at a playground or funfair
- slippery elm — an elm, Ulmus rubra, of eastern North America, having a mucilaginous inner bark.
- snowy plover — a small plover, Charadrius alexandrinus, mainly of the U.S. and Mexico, having a white breast and sand-colored upper parts.
- special jury — struck jury.
- spectrometry — an optical device for measuring wavelengths, deviation of refracted rays, and angles between faces of a prism, especially an instrument (prism spectrometer) consisting of a slit through which light passes, a collimator, a prism that deviates the light, and a telescope through which the deviated light is viewed and examined.
- spectroscopy — the science that deals with the use of the spectroscope and with spectrum analysis.
- spermaphytic — able to produce seeds
- spermatocyte — a male germ cell (primary spermatocyte) that gives rise by meiosis to a pair of haploid cells (secondary spermatocytes) that give rise in turn to spermatids.
- spermophytic — able to produce seed
- sphenography — the art of writing in cuneiform characters.
- sphericality — the state of being a sphere
- sphygmometer — a device which measures the rate of the pulse
- spray millet — the seeds of millet left on the spike and sold in pet shops for cage birds.
- sputteringly — in a sputtering manner
- stepmotherly — related to or having the characteristics of a stepmother
- stereography — the art of delineating the forms of solid bodies on a plane.
- stereotyping — a process, now often replaced by more advanced methods, for making metal printing plates by taking a mold of composed type or the like in papier-mâché or other material and then taking from this mold a cast in type metal.
- stereotypist — a process, now often replaced by more advanced methods, for making metal printing plates by taking a mold of composed type or the like in papier-mâché or other material and then taking from this mold a cast in type metal.
- street party — A street party is the same as a block party.
- streptolysin — a type of hemolysin produced by certain species of streptococcus.
- streptomyces — any of several aerobic bacteria of the genus Streptomyces, certain species of which produce antibiotics.
- streptomycin — an antibiotic, C 2 1 H 3 9 N 7 O 1 2 , produced by a soil actinomycete, Streptomyces griseus, and used in medicine in the form of its white, water-soluble sulfate salt, chiefly in the treatment of tuberculosis.
- study period — a period of time or lesson used for studying
- sunday paper — a newspaper which is only published on Sundays
- superciliary — of or relating to the eyebrow.
- supergravity — a hypothetical symmetry among groups of particles containing fermions and bosons, especially in theories of gravity (supergravity) that unify electromagnetism, the weak force, and the strong force with gravity into a single unified force.
- superhighway — a highway designed for travel at high speeds, having more than one lane for each direction of traffic, a safety strip dividing the two directions, and cloverleaves to route the traffic on and off the highway. Compare expressway.
- superpolymer — a superior polymer
- superquality — above-average quality
- supersecrecy — extreme secrecy
- supersensory — supersensible.
- suppletorily — supplying a deficiency.
- supply-sider — a person, especially an economist, who advocates supply-side economics.
- suppressedly — in a suppressed manner
- synchroscope — an instrument for determining the difference in phase between two related motions, as those of two aircraft engines or two electric generators.
- technography — the description and study of the arts and sciences in their geographical and ethnic distribution and historical development.
- teeny bopper — a teenage girl, especially a young one.
- teeny-bopper — a teenage girl, especially a young one.
- tetrapyrrole — a chemical formed from four pyrrole rings
- thermography — a technique for imitating an embossed appearance, as on business cards, stationery, or the like, by dusting printed areas with a powder that adheres only to the wet ink, and fusing the ink and powder to the paper by heat.
- top security — ultra secure
- torreys peak — a mountain in central Colorado, in the Front Range, in the E Rocky Mountains. 14,267 feet (4349 meters).
- tracheophyte — any plant of the former division Tracheophyta, comprising all the vascular plants.
- tracheoscopy — examination of the interior of the trachea, as with a laryngoscope.
- trachypterus — a dealfish or ribbonfish
- transparency — Also, transparence. the quality or state of being transparent.
- triple bogey — a score of three strokes over par on a hole.
- triple rhyme — a rhyme either of two syllables of which the second is unstressed (double rhyme) as in motion, notion, or of three syllables of which the second and third are unstressed (triple rhyme) as in fortunate, importunate.
- trolley pole — a pole that transfers the electrical current from the overhead wire to the trolley bus