10-letter words containing c, o, i, s
- riflescope — a telescopic sight mounted on top of a rifle that helps to improve one's aim by magnifying and pinpointing a target.
- roboticist — a specialist in robots or robotics.
- rock music — heavy form of pop music
- rock-solid — Something that is rock-solid is extremely hard.
- roscoelite — a brown variety of muscovite in which some aluminum is replaced by vanadium.
- rosy finch — any of several finches of the genus Leucosticte, of Asia and western North America, having dark brown plumage with a pinkish wash on the wings and rump.
- rothschild — Lionel Nathan, Baron de ("Lord Natty") 1809–79, English banker: first Jewish member of Parliament (son of Nathan Meyer Rothschild).
- royalistic — relating to a royalist
- rubiaceous — belonging to the Rubiaceae, the madder family of plants.
- rupicolous — rupestrine.
- rusticator — to go to the country.
- saccharoid — having a granular texture like that of loaf sugar.
- sacroiliac — the joint where the sacrum and ilium meet.
- salicional — a soft-toned organ stop with a reedy quality
- salicornia — any chenopodiaceous plant of the genus Salicornia, of seashores and salt marshes: includes glasswort
- sanctimony — pretended, affected, or hypocritical religious devotion, righteousness, etc.
- sanctioned — authoritative permission or approval, as for an action.
- sand colic — a form of colic caused by the ingestion of sand or eating sand-contaminated feeds and subsequent collection of sand in the gastrointestinal tract
- sans souci — without worry; carefree.
- saprogenic — producing putrefaction or decay, as certain bacteria.
- sarcodines — belonging or pertaining to the protist phylum Sarcodina, comprising protozoa that move and capture food by forming pseudopodia.
- sarcopenia — reduction in muscle tissue as a result of ageing
- sarcophagi — a stone coffin, especially one bearing sculpture, inscriptions, etc., often displayed as a monument.
- sarcophile — a flesh-eating animal, especially the Tasmanian devil.
- saxicavous — (of molluscs) tending to bore holes or hollow out rocks
- saxicoline — living or growing among rocks.
- saxicolous — living or growing among rocks.
- 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.
- scansorial — capable of or adapted for climbing, as the feet of certain birds, lizards, etc.
- schistosis — fibrosis of the lungs caused by inhaling dust from slate.
- schizocarp — a dry, dehiscent fruit that at maturity splits into two or more one-seeded carpels.
- schizogamy — reproduction characterized by division of the organism into sexual and asexual parts, as in certain polychaetes.
- schizogony — (in the asexual reproduction of certain sporozoans) the multiple fission of a trophozoite or schizont into merozoites.
- schizoidal — relating to a person with a schizoid personality disorder
- scholastic — of or relating to schools, scholars, or education: scholastic attainments.
- school kid — child of school age
- school tie — old school tie.
- schoolgirl — a girl attending school.
- schooligan — a person of school age who engages in acts of public disorder
- schoolmaid — a schoolgirl
- schooltide — schooldays
- schooltime — the period during which schools are open
- scillonian — of or relating to the Scilly Isles or their inhabitants
- scintillon — a luminescent body present in the cytoplasm of some dinoflagellates
- sciolistic — superficial knowledge.
- sclerotial — a vegetative, resting food-storage body in certain higher fungi, composed of a compact mass of hardened mycelia.
- sclerotium — a vegetative, resting food-storage body in certain higher fungi, composed of a compact mass of hardened mycelia.
- sclerotize — to harden and darken (an insect's cuticle)