11-letter words containing r, o, s, e, c, a
- macrophytes — Plural form of macrophyte.
- macrospores — Plural form of macrospore.
- macrosystem — A programming system in which small constructs (macros) represent groups of machine instructions.
- main course — Nautical. a square mainsail.
- major scale — a scale consisting of a series of whole steps except for half steps between the third and fourth and seventh and eighth degrees.
- malefactors — Plural form of malefactor.
- marchioness — marquise (defs 1, 2).
- mascot rage — aggressive behaviour by mascots at sporting events
- master copy — an original copy, stencil, tape, etc, from which duplicates are made
- mecopterans — Plural form of mecopteran.
- megacoaster — (informal) A rollercoaster with a height of between 200 and 299 feet.
- meroblastic — (of certain eggs) undergoing partial cleavage, resulting in unequal blastomeres.
- mesoamerica — Anthropology, Archaeology. the area extending approximately from central Mexico to Honduras and Nicaragua in which diverse pre-Columbian civilizations flourished.
- mesocardium — the double layer of splanchnic mesoderm supporting the embryonic heart.
- mesocranial — mesocephalic
- metachrosis — the ability of some animals, such as chameleons, to change their colour
- micronesian — of or relating to Micronesia, its inhabitants, or their languages.
- microphages — Plural form of microphage.
- minor scale — Also called harmonic minor scale. a scale having half steps between the second and third, fifth and sixth, and seventh and eighth degrees, with whole steps for the other intervals.
- miscreation — miscreated.
- mobocracies — Plural form of mobocracy.
- monocracies — Plural form of monocracy.
- monstrances — Plural form of monstrance.
- most-caller — (of fruit, fish, vegetables, etc.) fresh; recently picked or caught.
- narco-state — a country in which the illegal trade in narcotic drugs forms a substantial part of the economy
- nonspecular — that reflects light diffusely and evenly over the hemisphere surrounding the reflective surface; diffuse
- obsecration — to entreat solemnly; beseech; supplicate.
- observances — Plural form of observance.
- obstetrical — of or relating to the care and treatment of women in childbirth and during the period before and after delivery.
- oceanariums — Plural form of oceanarium.
- oceanfronts — Plural form of oceanfront.
- octahedrons — Plural form of octahedron.
- olfactories — of or relating to the sense of smell: olfactory organs.
- oligarchies — Plural form of oligarchy.
- onagraceous — belonging to the Onagraceae, the evening primrose family of plants.
- oracle*case — A set of CASE tools from Oracle.
- orchestrate — Arrange or score (music) for orchestral performance.
- orchestrina — (musical instruments) orchestrion.
- orthoclases — Plural form of orthoclase.
- ostracoderm — any of several extinct jawless fishes of the Ordovician, Silurian, and Devonian periods, having the body enclosed in an armor of bony plates.
- ostreaceous — oyster-like
- outer space — space beyond the atmosphere of the earth.
- overcasting — Meteorology. the condition of the sky when more than 95 percent covered by clouds.
- overcharges — Third-person singular simple present indicative form of overcharge.
- overclasses — Plural form of overclass.
- oyster crab — a pea crab, Pinnotheres ostreum, the female of which lives as a commensal within the mantle cavity of oysters.
- panchreston — a proposed explanation intended to address a complex problem by trying to account for all possible contingencies but typically proving to be too broadly conceived and therefore oversimplified to be of any practical use.
- papyraceous — papery.
- parcel post — (in the U.S. Postal Service) nonpreferential mail consisting of packages and parcels, weighing one pound or more sent at fourth-class rates. Compare fourth class.
- peace corps — a civilian organization, sponsored by the U.S. government, that sends volunteers to instruct citizens of underdeveloped countries in the execution of industrial, agricultural, educational, and health programs.