13-letter words containing r, a, d, i, c
- lucid dreamer — a person who has lucid dreams, either naturally or as a result of training
- lysergic acid — a crystalline solid, C 16 H 16 N 2 O 2 , obtained from ergot or synthesized: used in the synthesis of LSD.
- macrodiagonal — the longer of two diagonals
- macrodynamics — Large-scale dynamics.
- macropinacoid — a crystalline pinacoid which runs parallel to the longer horizontal axis
- madeira sauce — a savoury sauce made with Madeira wine and served with meat
- magnetic drum — a cylinder coated with magnetic material, on which data and programs can be stored.
- major medical — insurance designed to compensate for particularly large medical expenses due to a severe or prolonged illness, usually by paying a high percentage of medical bills above a certain amount.
- mandarin duck — a crested Asian duck, Aix galericulata, having variegated purple, green, chestnut, and white plumage.
- marching band — musical group that parades
- margaric acid — a colorless, crystalline, water-insoluble, fatty acid, C 1 7 H 3 4 O 2 , resembling stearic acid, obtained from lichens or synthetically.
- matchboarding — a construction of matchboards.
- medical board — a group of people qualified to give opinions on medical matters
- melodramatics — Melodramatic behavior, action, or writing.
- mercer island — a city in W central Washington, on Mercer Island in Lake Washington, east of Seattle.
- merchandisers — Plural form of merchandiser.
- merchandising — the manufactured goods bought and sold in any business.
- merchandizing — Alternative spelling of merchandising.
- mercurialized — Simple past tense and past participle of mercurialize.
- mid-victorian — of, relating to, or characteristic of the middle portion (about 1850 to 1890) of the reign of Queen Victoria (reigned 1837–1901) in England: mid-Victorian writers.
- misadvertence — inadvertence
- miscalibrated — Simple past tense and past participle of miscalibrate.
- miscoordinate — of the same order or degree; equal in rank or importance.
- mitochondrial — (cytology) Of, or relating to mitochondria.
- mixed crystal — a crystal consisting of a solid solution of two or more distinct compounds
- morris dancer — A morris dancer is a person who takes part in morris dancing.
- multibranched — Having more than one branch.
- muriatic acid — (not in scientific use) hydrochloric acid.
- myocardiogram — the graphic record produced by a myocardiograph.
- myristic acid — an oily, white crystalline compound, C 1 4 H 2 8 O 2 , insoluble in water, soluble in alcohol and ether: used in soaps, cosmetics, and in the synthesis of esters for flavors and perfumes.
- natural child — Law. an illegitimate child; one born of illicit intercourse. (especially in Louisiana) an illegitimate child who has been lawfully acknowledged by its father.
- niedersachsen — German name of Lower Saxony.
- nitrolic acid — any of several weak acids formed when nitrous acid reacts with a nitroparaffin
- no-knock raid — a search warrant that allows police officers to enter a property without knocking
- non-fiduciary — Law. a person to whom property or power is entrusted for the benefit of another.
- non-juridical — of or relating to the administration of justice.
- nonaccredited — not accredited, lacking certain credentials
- nonadrenergic — Not adrenergic.
- nondecreasing — not decreasing.
- nondemocratic — pertaining to or of the nature of democracy or a democracy.
- nonperiodical — a magazine or other journal that is issued at regularly recurring intervals.
- noradrenergic — Having the quality of noradrenaline.
- oceanic ridge — any section of the narrow, largely continuous range of submarine mountains that extends into all the major oceans and at which new oceanic lithosphere is created by the rise of magma from the earth's interior
- optical drive — optical disk drive
- orchid family — the plant family Orchidaceae, characterized by terrestrial or epiphytic herbaceous plants having simple, parallel-veined, usually alternate leaves, complex and often large and showy flowers pollinated primarily by insects, and fruit in the form of a capsule containing numerous minute seeds, and including calypso, fringed orchis, lady's-slipper, pogonia, rattlesnake plantain, vanilla, as well as numerous tropical orchids such as those of the genera Cattleya, Cymbidium, Dendrobium, Phalaenopsis, and Vanda.
- orchidomaniac — a person who is obsessed with or has a passion for orchids
- ordinal scale — a scale on which data is shown simply in order of magnitude since there is no standard of measurement of differences: for instance, a squash ladder is an ordinal scale since one can say only that one person is better than another, but not by how much
- orsellic acid — an acid found in lichens
- orthopaedical — Pertaining to orthopaedics; characteristic of orthopaedia.
- outrecuidance — (archaic) Presumption, arrogance, self-conceit.