10-letter words containing n, a, p, o
- rhinophyma — a red-coloured bump or bumps on the nose which form as a result of enlarged sebaceous glands and rosacea
- rhizoplane — the part of the root of a plant that is near the soil surface
- rhodophane — the red colour found in the inner cones of the retina in animals
- riproaring — boisterously wild and exciting; riotous: Have a rip-roaring good time.
- rock plant — a plant found among rocks or in rock gardens.
- roman pace — an ancient Roman unit of measurement, equal to 5 Roman feet or about 58 U.S. inches (147 cm).
- roof panel — The roof panel is the section of material, usually sheet metal, that forms the roof of a vehicle.
- ropedancer — a person who walks across or performs acrobatics upon a rope stretched at some height above the floor or ground.
- ropemaking — the act, skill, or process of fabricating rope.
- round tape — (storage, jargon) Industry-standard 1/2-inch magnetic tape (7- or 9-track) on traditional circular reels. See macrotape, opposite: square tape.
- salt spoon — a small spoon with which to take salt at the table.
- sandgroper — a nickname for a Western Australian
- saponifier — to convert (a fat) into soap by treating with an alkali.
- sappanwood — a dyewood yielding a red color, produced by a small, East Indian tree, Caesalpinia sappan, of the legume family.
- saprogenic — producing putrefaction or decay, as certain bacteria.
- sarcopenia — reduction in muscle tissue as a result of ageing
- scalloping — any of the bivalve mollusks of the genus Argopecten (Pecten) and related genera that swim by rapidly clapping the fluted shell valves together.
- scallopini — scallops, especially of veal, flattened by pounding and usually dredged in flour or breadcrumbs and sautéed quickly: scaloppine alla Marsala.
- scaloppine — scallops, especially of veal, flattened by pounding and usually dredged in flour or breadcrumbs and sautéed quickly: scaloppine alla Marsala.
- scorpaenid — belonging or pertaining to the Scorpaenidae, a family of marine fishes with spiny fins, including the rockfishes, scorpionfishes, and lionfishes.
- scrap iron — old iron to be remelted or reworked.
- scyphozoan — any coelenterate of the class Scyphozoa, comprising the true marine jellyfishes.
- sea pigeon — the common black guillemot, Cepphus grylle.
- seal point — a Siamese cat having a fawn-colored body and dark-brown points.
- seal-point — a Siamese cat having a fawn-colored body and dark-brown points.
- senna pods — the dried fruits of any of these plants, used as a cathartic and laxative
- separation — an act or instance of separating or the state of being separated.
- 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.
- shape note — a musical note in which the degree of the scale is indicated by the shape of the note's head.
- sinophobia — a fear or dislike of China, or Chinese people, their language or culture
- siphonogam — a plant that is pollinated by siphonogamy
- slop basin — a basin or bowl into which the dregs, leaves, and grounds of teacups and coffee cups are emptied at the table.
- smartphone — a device that combines a cell phone with a handheld computer, typically offering Internet access, data storage, email capability, etc.
- 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.
- snow apple — Fameuse.
- snow plant — a leafless, parasitic plant, Sarcodes sanguinea, of the pine forests of the Sierra Nevada in California, having a stout spike of bright red flowers, a thickly scaled stem, and a corallike mass of roots.
- snowcapped — topped with snow: the snowcapped Alps.
- soap plant — a Californian plant, Chlorogalum pomeridianum, of the lily family, the bulb of which was used by the Indians as a soap.
- 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.
- sonography — the medical diagnostic imaging technique used to see internal organs, muscles, etc
- sophoclean — 495?–406? b.c, Greek dramatist.
- soundscape — the component sounds of an environment.
- sousaphone — a form of bass tuba, similar to the helicon, used in brass bands.
- spaceborne — moving in orbit around the earth: a spaceborne surveillance system.
- spacewoman — a woman astronaut.
- spallation — a nuclear reaction in which several nucleons are released from the nucleus of an atom.
- spaniolize — to cause to become Spanish
- spatangoid — a type of sea urchin
- spearpoint — the point at the end of a spearhead.
- speciation — the formation of new species as a result of geographic, physiological, anatomical, or behavioral factors that prevent previously interbreeding populations from breeding with each other.