14-letter words containing o, r, s, i
- lugubriousness — The property of being lugubrious.
- luminous range — the distance at which a certain light, as that of a lighthouse, is visible in clear weather, disregarding interference from obstructions and from the curvature of the earth and depending on the power of the light.
- lz compression — Lempel-Ziv compression
- macro-organism — an organism that can be seen with the naked eye.
- macrobiologist — One who studies macrobiology.
- macroeconomics — the branch of economics dealing with the broad and general aspects of an economy, as the relationship between the income and investments of a country as a whole.
- macroglobulins — Plural form of macroglobulin.
- macronutrients — Plural form of macronutrient.
- macrosociology — the sociological study of large-scale social systems and long-term patterns and processes.
- macrosporangia — Plural form of macrosporangium.
- magic mushroom — a mushroom, Psilocybe mexicana, of Mexico and the southwestern U.S., containing the hallucinogen psilocybin.
- magnetic storm — a temporary disturbance of the earth's magnetic field, induced by radiation and streams of charged particles from the sun.
- magnetospheric — Of, pertaining to, or happening within the magnetosphere.
- major seminary — a Roman Catholic theological college devoted to training for the priesthood and usually offering a six-year program emphasizing philosophy and theology.
- malnourishment — Malnutrition, undernourishment.
- manic disorder — a type of affective disorder characterized by euphoric mood, excessive activity and talkativeness, impaired judgment, and sometimes psychotic symptoms, as grandiose delusions.
- margaritaceous — resembling mother-of-pearl; pearly.
- mariano arista — Mariano [mah-ryah-naw] /mɑˈryɑ nɔ/ (Show IPA), 1802–55, Mexican general: president of Mexico 1851–53.
- mariotte's law — Boyle's law.
- marriage bonds — the strong feeling of being united that is associated with marriage
- marsh marigold — a yellow-flowered plant, Caltha palustris, of the buttercup family, growing in marshes and meadows; cowslip.
- marsupial bone — epipubis.
- marsupial mole — a burrowing Australian marsupial of the genus Notoryctes, resembling a common mole in form and behavior.
- mastigophorous — carrying a cane or whip
- mastocarcinoma — carcinoma of the breast.
- maxis software — The developers of SimCity and SimCity 2000. Address: 2 Theatre Square, Suite 230, Orinda, CA 94563-3346, USA. Telephone: +1 (800) 33-MAXIS.
- meadow parsnip — any North American plant belonging to the genus Thaspium, of the parsley family, having yellow or purple flowers.
- measuring worm — the larva of any geometrid moth, which progresses by bringing the rear end of the body forward and then advancing the front end.
- megasporangium — a sporangium containing megaspores.
- memorabilities — Plural form of memorability.
- menage a trois — a domestic arrangement in which three people having sexual relations occupy the same household.
- meretriciously — In a meretricious manner.
- merionethshire — a historic county in Gwynedd, in N Wales.
- metachromatism — change of color, especially that due to variation in the temperature of a body.
- metamorphosing — to change the form or nature of; transform.
- metamorphosise — (UK, nonstandard) To metamorphose.
- metamorphosize — (US, nonstandard) To undergo the process of metamorphosis; to metamorphose.
- metaphosphoric — applied to an acid (HPO3) containing a molecule less of water than orthophosphoric acid
- meteorologists — Plural form of meteorologist.
- metrosexuality — The quality of being metrosexual.
- micro-organism — any organism too small to be viewed by the unaided eye, as bacteria, protozoa, and some fungi and algae.
- microaneurysms — Plural form of microaneurysm.
- microbiologist — the branch of biology dealing with the structure, function, uses, and modes of existence of microscopic organisms.
- microbreweries — Plural form of microbrewery.
- microcassettes — Plural form of microcassette.
- microcephalous — Microcephalic.
- microchemistry — the branch of chemistry dealing with minute quantities of substances.
- microcomputers — Plural form of microcomputer.
- microeconomics — the branch of economics dealing with particular aspects of an economy, as the price-cost relationship of a firm.
- microfilaments — Plural form of microfilament.