16-letter words containing r, e, d, s, i
- mainstream media — newspapers, magazines, television, and radio, as opposed to social media
- mandarin chinese — the official language of China since 1917; the form of Chinese spoken by about two thirds of the population and taught in schools throughout China
- manic depression — bipolar disorder.
- manic-depressive — suffering from bipolar disorder.
- marie de medicis — 1573–1642, queen of Henry IV of France: regent 1610–17.
- married quarters — the housing provided on a military base for married servicemen or servicewomen
- mass destruction — devastation on a large scale
- matthew flinders — Matthew, 1774–1814, English navigator and explorer: surveyed coast of Australia.
- measuring device — gauge
- medieval cornish — the Cornish language of the Middle Ages, usually dated from the 14th century to 1600.
- medieval history — the branch of history dealing with the Middle Ages
- menstrual period — the bleeding from the womb that occurs approximately monthly in nonpregnant women of reproductive age
- mercuric sulfide — a crystalline, water-insoluble, poisonous compound, HgS, occurring as a coarse, black powder (black mercuric sulfide) or as a fine, bright-scarlet powder (red mercuric sulfide) used chiefly as a pigment and as a source of the free metal.
- middle westerner — the region of the United States bounded on the W by the Rocky Mountains, on the S by the Ohio River and the S extremities of Missouri and Kansas, and on the E, variously, by the Allegheny Mountains, the E border of Ohio, or the E border of Illinois.
- miller's disease — osteofibrosis of horses due to low concentration of phosphorus in the blood caused by eating bran exclusively
- mineral deposits — amounts of minerals that occur naturally in particular areas
- missionary ridge — a ridge in NW Georgia and SE Tennessee: Civil War battle 1863.
- misunderestimate — (colloquial, malapropism, or, intentionally incorrect) To underestimate by mistake.
- misunderstanding — failure to understand correctly; mistake as to meaning or intent.
- modern synthesis — a consolidation of the results of various lines of investigation from the 1920s through the 1950s that supported and reconciled the Darwinian theory of evolution and the Mendelian laws of inheritance in terms of natural selection acting on genetic variation.
- modified-release — denoting a formulation of a medicinal drug taken orally that releases the active ingredients over several hours, in order to maintain a relatively constant plasma concentration of the drug
- mothering sunday — Laetare Sunday.
- moulding process — the process of shaping or compacting a material into a frame or mould
- musical director — A musical director is the same as a music director.
- narrowmindedness — Alternative spelling of narrow-mindedness.
- natural disaster — meteorological or geological catastrophe
- nine-days wonder — something that arouses great interest, but only for a short period
- nitrogen mustard — any of the class of poisonous, blistering compounds, as C 5 H 1 1 Cl 2 N, analogous in composition to mustard gas but containing nitrogen instead of sulfur: used in the treatment of cancer and similar diseases; mechlorethamine.
- no fixed address — Someone who is of no fixed address does not have a permanent place to live.
- no hard feelings — If you say ' no hard feelings', you are making an agreement with someone not to be angry or bitter about something.
- non-standardized — to bring to or make of an established standard size, weight, quality, strength, or the like: to standardize manufactured parts.
- noncorresponding — That does not correspond (to something else).
- nondestructively — In a nondestructive manner; without causing destruction.
- nondeterministic — the doctrine that all facts and events exemplify natural laws.
- nondiscretionary — subject or left to one's own discretion.
- nuclear industry — the industry involving nuclear weapons, nuclear power stations, etc
- nusslein-volhard — Christiane [kris-tee-ah-nuh,, kris-tyah-] /ˌkrɪs tiˈɑ nə,, krɪsˈtyɑ-/ (Show IPA), born 1942, German biologist: Nobel prize 1995.
- observation deck — an area on a high building that is surrounded with railings or fencing and which provides panoramic views
- observation ward — a ward in a hospital where patients are monitored
- odds are against — If you say that the odds are against something or someone, you mean that they are unlikely to succeed.
- oder-neisse line — the boundary between Poland and East Germany after World War II.
- odontoid process — the toothlike upward projection at the back of the second vertebra of the neck
- oligosaccharides — Plural form of oligosaccharide.
- opposed-cylinder — (of an internal-combustion engine) having cylinders on opposite sides of the crankcase in the same plane
- order of service — a prescribed form of liturgical service, or of administration of a rite or ceremony
- osmium tetroxide — a crystalline or amorphous, colorless, poisonous compound, OsO 4 , soluble in water, alcohol, and ether: used for microscopic staining, in photography, and as a catalyst in organic synthesis.
- otherworldliness — The quality of being otherworldly.
- outside director — a director of a company who is not employed by that company but is often employed by a holding or associated company
- over-descriptive — having the quality of describing; characterized by description: a descriptive passage in an essay.
- paediatric nurse — a nurse who specializes in the care of children