12-letter words containing p, o, r, e, l
- sexual spore — a spore formed after the fusion of gametes and an asexual spore is the result of asexual reproduction
- sheep sorrel — a slender weed, Rumex acetosella, of the buckwheat family, found in poor, dry soils, having arrow-shaped leaves with an acid taste.
- shore patrol — (often initial capital letters) members of an organization in the U.S. Navy having police duties similar to those performed by military police. Abbreviation: SP.
- 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.
- shoulder pad — clothing: insert in shoulder
- siderophilic — having characteristics of siderophile
- 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.
- 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.
- sleeper goby — any gobioid fish of the family Eleotridae, of brackish or fresh tropical waters, resembling the gobies but lacking a ventral sucker
- 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.
- 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 plover — a small plover, Charadrius alexandrinus, mainly of the U.S. and Mexico, having a white breast and sand-colored upper parts.
- 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.
- solar plexus — Also called celiac plexus. Anatomy. a network of nerves situated at the upper part of the abdomen, behind the stomach and in front of the aorta.
- somatopleure — the double layer formed by the association of the upper layer of the lateral plate of mesoderm with the overlying ectoderm, functioning in the formation of the body wall and amnion.
- soprano clef — a sign locating middle C on the bottom line of the staff.
- 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.
- spermatocele — a swelling of the testicle
- spirochaetal — resulting from spirochaetes
- stepmotherly — related to or having the characteristics of a stepmother
- storm petrel — any of several small, tube-nosed seabirds of the family Hydrobatidae, usually having black or sooty-brown plumage with a white rump.
- 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
- strophiolate — having a strophiole
- subopercular — of or relating to the suboperculum
- suboperculum — a bone in fishes behind the operculum or gill covering
- super-polite — showing good manners toward others, as in behavior, speech, etc.; courteous; civil: a polite reply.
- supercilious — haughtily disdainful or contemptuous, as a person or a facial expression.
- 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
- superovulate — to produce more than the normal number of ova at one time, as through hormone treatment.
- superpolymer — a superior polymer
- superposable — to place above or upon something else, or one upon another.
- suppletorily — supplying a deficiency.
- suspensorial — relating to a suspensorium
- table tripod — a low mount or stand for a camera.
- telanthropus — a genus of fossil hominids, known from two fragmentary lower jaws found in the region of Swartkrans, near Johannesburg, South Africa.
- telautograph — a telegraphic device for reproducing handwriting, drawings, etc, the movements of an electromagnetically controlled pen at one end being transmitted along a line to a similar pen at the receiving end
- telecomputer — teleprocessing.
- telegraphone — an early magnetic sound-recording device for use with wire, tape, or disks.
- teleoperator — a robotic device controlled from a distance by a human operator: usually used to provide safety for the operator, as in working with radioactive materials
- teleprompter — A Teleprompter is a device used by people speaking on television or at a public event, which displays words for them to read.
- teleutospore — a spore of certain rust fungi, which carries the fungus through the winter and which, on germination, produces the promycelium.