10-letter words containing p, d, s, a
- quadriceps — a large muscle in front of the thigh, the action of which extends the leg or bends the hip joint.
- quadrupeds — Plural form of quadruped.
- quadruples — Third-person singular simple present indicative form of quadruple.
- radarscope — the viewing screen of radar equipment.
- radioscope — an instrument, such as a fluoroscope, capable of detecting radiant energy
- radioscopy — the examination of objects opaque to light by means of another form of radiation, usually x-rays.
- readership — the people who read or are thought to read a particular book, newspaper, magazine, etc.: The periodical has a dwindling readership.
- redispatch — to send off or away with speed, as a messenger, telegram, body of troops, etc.
- reprimands — a severe reproof or rebuke, especially a formal one by a person in authority.
- rhapsodist — a person who rhapsodizes.
- rhapsodize — to talk with extravagant enthusiasm.
- rhodoplast — a plastid found in red algae, containing red pigment as well as chlorophyll
- rose aphid — a dark green aphid, Macrosiphum rosae, that feeds on roses and related plants.
- sand perch — squirrelfish.
- sand viper — hognose snake.
- sandgroper — a nickname for a Western Australian
- sandpapery — of or suggesting the grating sound of sandpaper rubbing against wood or the rough texture of sandpaper.
- sappanwood — a dyewood yielding a red color, produced by a small, East Indian tree, Caesalpinia sappan, of the legume family.
- scapulated — (of a raven) with white feathers across the scapular region
- scindapsus — any plant of the tropical Asiatic climbing genus Scindapsus, typically stem rooting, esp S. aureus and S. pictus, grown as greenhouse or house plants for their leathery heart-shaped variegated leaves: family Araceae
- scorpaenid — belonging or pertaining to the Scorpaenidae, a family of marine fishes with spiny fins, including the rockfishes, scorpionfishes, and lionfishes.
- scrapegood — a stingy person; a miser
- scratchpad — pad of paper for rough notes
- sea spider — any member of the arthropod class Pycnogonida, marine invertebrates with eight long walking legs attached to a small body consisting of a cephalothorax and vestigial abdomen.
- seed pearl — a pearl weighing less than ¼ grain.
- seed plant — a seed-bearing plant; spermatophyte.
- self-paced — (of an educational system, course, etc.) done or designed to be accomplished at the student's own speed: self-paced instruction.
- senna pods — the dried fruits of any of these plants, used as a cathartic and laxative
- septicidal — (of a capsule) dehiscing lengthwise along a septum.
- shadow pin — a vertical pin set in an azimuth instrument or at the center of a compass card, indicating by the direction of its shadow the azimuth of the sun.
- sharp-eyed — having keen sight or perception.
- sheepshead — a deep-bodied, black-banded food fish, Archosargus probatocephalus, living along the Atlantic coast of the U.S.
- ship-bread — hardtack.
- shiplapped — of, related to, or resembling shiplap
- side plate — a small plate used for bread or other accompaniments to a meal
- sleepyhead — a sleepy person.
- snapdragon — any plant belonging to the genus Antirrhinum, of the figwort family, especially A. majus, cultivated for its spikes of showy flowers, each having a corolla supposed to resemble the mouth of a dragon.
- snowcapped — topped with snow: the snowcapped Alps.
- soft-pedal — to use the soft pedal.
- solar pond — a pool with a bottom layer of salt water and top layer of fresh water, designed to capture solar radiation as a source of energy for generating heat or electricity.
- soundscape — the component sounds of an environment.
- spaced out — dazed or stupefied because of the influence of narcotic drugs.
- spaced-out — dazed or stupefied because of the influence of narcotic drugs.
- spade foot — a square foot, tapering toward its bottom.
- spadiceous — Botany. of the nature of a spadix. bearing a spadix.
- spasm band — an old-time jazz band, flourishing especially in the late 19th century, the members of which used improvised instruments, as cigar boxes, barrels, kazoos, whistles, and jugs, and often marched in the street while performing.
- spasmodist — a person who is spasmodic, especially in style, as a writer, painter, etc.
- spatangoid — a type of sea urchin
- spear side — the male side, or line of descent, of a family (opposed to distaff side or spindle side).
- spectacled — wearing spectacles.