12-letter words containing p, e, n, o, l
- sleep apnoea — the temporary cessation of breathing during sleep, which in some cases is due to obstruction of the upper airway by enlarged tonsils, uvula, etc, causing the sufferer to snore loudly and fight for breath
- sleep around — to take the rest afforded by a suspension of voluntary bodily functions and the natural suspension, complete or partial, of consciousness; cease being awake.
- sloped roman — a roman (vertical) typeface, usually sans serif, i.e. without the small, decorative, terminal strokes with which some typefaces are designed. The typeface is made to slope (usually to the right), but not generally to the same degree as a true italic typeface
- snow leopard — a long-haired, leopardlike feline, Panthera (Uncia) uncia, of mountain ranges of central Asia, having a relatively small head and a thick, creamy-gray coat with rosette spots: an endangered species.
- snowy mespil — a N American tree, Amelanchier Lamarckii, that produces small white flowers in spring
- snowy plover — a small plover, Charadrius alexandrinus, mainly of the U.S. and Mexico, having a white breast and sand-colored upper parts.
- soprano clef — a sign locating middle C on the bottom line of the staff.
- speciational — relating to speciation
- sphacelation — the process of mortification
- splenization — the transformation of something into a spleenlike tissue
- splenomegaly — enlargement of the spleen.
- split second — a fraction of a second.
- splotchiness — the state or condition of being splotchy
- sponge cloth — any cloth loosely woven of coarse yarn to produce a spongy look or texture, especially one constructed in honeycomb weave.
- spot welding — fusing metal
- stanley pool — a lake between the Democratic Republic of Congo and Congo-Brazzaville, formed by a widening of the River Congo. Area: 829 sq km (320 sq miles)
- stool pigeon — a pigeon used as a decoy.
- streptolysin — a type of hemolysin produced by certain species of streptococcus.
- streptosolen — a type of South American shrub grown for ornamental purposes, with orange trumpet-shaped flowers
- stupendously — causing amazement; astounding; marvelous: stupendous news.
- sulphadoxine — an antibiotic drug of the sulphonamide group, commonly used in combination with pyrimethamine to treat malaria, and in combination with various drugs to treat certain infections
- sulphonamide — any of a class of organic compounds that are amides of sulphonic acids containing the group –SO2NH2 or a group derived from this. An important class of sulphonamides are the sulfa drugs
- supercooling — to cool (a liquid) below its freezing point without producing solidification or crystallization; undercool.
- superfrontal — a piece of cloth placed over an altar and frontal and hanging down a few inches over the front of the altar
- superordinal — relating to the superorder
- suspensorial — relating to a suspensorium
- technophilia — a person who loves or is enthusiastic about advanced technology.
- telanthropus — a genus of fossil hominids, known from two fragmentary lower jaws found in the region of Swartkrans, near Johannesburg, South Africa.
- telegraphone — an early magnetic sound-recording device for use with wire, tape, or disks.
- teleshopping — electronic shopping via videotex or other interactive information service.
- temptational — the act of tempting; enticement or allurement.
- tetrapolitan — of or related to a tetrapolis
- the pliocene — the Pliocene epoch or rock series
- theophylline — a white, crystalline, poisonous alkaloid, C 7 H 8 N 4 O 2 , an isomer of theobromine, extracted from tea leaves or produced synthetically: used to relieve bronchial spasms, in the treatment of certain heart conditions, and as a diuretic.
- to fall open — If something falls open, it opens accidentally.
- transponible — capable of being transposed.
- triple crown — an unofficial title held by a horse that wins the Kentucky Derby, the Preakness, and the Belmont Stakes in a single season.
- triple point — the particular temperature and pressure at which the solid, liquid, and gaseous phases of a given substance are all at equilibrium with one another.
- un-purposely — intentionally; deliberately: He tripped me purposely.
- unapologetic — containing an apology or excuse for a fault, failure, insult, injury, etc.: An apologetic letter to his creditors explained the delay.
- unapprovable — capable of being approved.
- uncomparable — capable of being compared; having features in common with something else to permit or suggest comparison: He considered the Roman and British empires to be comparable.
- uncompelling — tending to compel, as to force or push toward a course of action; overpowering: There were compelling reasons for their divorce.
- uncomplacent — pleased, especially with oneself or one's merits, advantages, situation, etc., often without awareness of some potential danger or defect; self-satisfied: The voters are too complacent to change the government.
- uncomplicate — to make complex, intricate, involved, or difficult: His recovery from the operation was complicated by an allergic reaction.
- uncomposable — not fit for composition
- uncomputable — to determine by calculation; reckon; calculate: to compute the period of Jupiter's revolution.
- underdevelop — to develop (something) short of the required amount: to underdevelop film.
- underexploit — to make insufficient use of
- underpeopled — insufficiently populated