12-letter words containing a, p, e, l, i
- role playing — role-play used as a method of training or education
- role-playing — a method of instruction or psychotherapy aimed at changing attitudes and behavior, in which participants act out designated roles relevant to real-life situations.
- run in place — to go quickly by moving the legs more rapidly than at a walk and in such a manner that for an instant in each step all or both feet are off the ground.
- saddle point — a point at which a function of two variables has partial derivatives equal to zero but at which the function has neither a maximum nor a minimum value.
- saint phalle — Niki de [nik-ee duh;; French nee-kee duh] /ˈnɪk i də;; French niˈki də/ (Show IPA), 1930–2002, French sculptor and painter.
- salesmanship — the technique of selling a product: They used a promotional gimmick that was the last word in salesmanship.
- sample point — a possible result of an experiment, represented as a point.
- scafell pike — a mountain in NW England, in Cumberland: highest peak in England. 3210 feet (978 meters).
- schappe silk — a yarn or fabric of or similar to spun silk.
- schiaparelli — Elsa [el-sah] /ˈɛl sɑ/ (Show IPA), 1890–1973, French fashion designer, born in Italy.
- 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.
- seating plan — layout of seats at a venue or on transport
- seed capital — small sum invested in new business
- self-playing — a dramatic composition or piece; drama.
- self-tapping — (of a screw) cutting its own thread when screwed into a plain hole in a metal sheet
- semi-popular — regarded with favor, approval, or affection by people in general: a popular preacher.
- semitropical — subtropical.
- separability — capable of being separated, parted, or dissociated.
- septilateral — having seven sides.
- septuplicate — a group, series, or set of seven identical copies (usually preceded by in).
- seraphically — of, like, or befitting a seraph.
- sextuplicate — a group, series, or set of six identical copies: The application is to be submitted in sextuplicate.
- sieve-plates — an elongated cell whose walls contain perforations (sieve pores) that are arranged in circumscribed areas (sieve plates) and that afford communication with similar adjacent cells.
- silver maple — a maple, Acer saccharinum, having leaves that are light green above and silvery white beneath.
- silver paper — silver foil.
- silver plate — thin coat of silver
- silver-plate — to coat (base metal) with silver, especially by electroplating.
- simple sugar — monosaccharide.
- simplifiable — having the ability to be made less complicated, clearer, or easier
- single-party — of or relating to a form of government in which only a single political party constitutes the government
- single-payer — noting or relating to a healthcare or health insurance system in which the government or a publicly owned and regulated agency pays all medical costs from a single fund.
- single-phase — noting or pertaining to a circuit having an alternating current with one phase or with phases differing by 180°.
- single-space — to type (copy) on each line space.
- sleeping bag — a warmly lined or padded body-length bag, usually waterproof and with a closure, in which one or two persons can sleep, especially outdoors, as when camping.
- sleeping car — a railroad car fitted with berths, compartments, bedrooms, or drawing rooms for passengers to sleep in.
- sleepwalking — an act of sleepwalking; somnambulation.
- slipper bath — a bath in the shape of a slipper, with a covered end
- small magpie — an unrelated micro, Eurrhypara hortulata
- snail's pace — an extremely slow rate: The work progresses at a snail's pace.
- space flight — journey into outer space
- space-filler — a short article of little or no importance written to fill space in a magazine or newspaper
- spanish heel — a high, curved heel with a straight heel breast, used on women's shoes.
- spark-killer — a device for diminishing sparking, consisting of a capacitor and a resistor connected in series across two points where sparking may occur in a circuit.
- special area — distressed area.
- special case — exception
- special jury — struck jury.
- special plea — a plea that alleges special or new matter as an answer to the allegations made by the opposite side and not as a denial of them.
- special rule — a principle or regulation governing conduct, action, procedure, arrangement, etc.: the rules of chess.
- special sort — a character, such as an accented letter, that is not a usual member of any font
- special team — Football. a group of players fielded for kicking plays, as punts, kickoffs, and field-goal attempts.