16-letter words containing c, a, o
- macapagal arroyo — Gloria
- machado de assiz — Joaquim Maria [zhaw-ah-kim mah-ree-ah] /ˈʒɔ ɑ kɪm mɑˈri ɑ/ (Show IPA), 1839–1908, Brazilian writer.
- machine moulding — the process of making moulds and cores for castings by mechanical means, usually by compacting the moulding sand by vibration instead of by ramming down
- machine operator — someone who operates mechanical equipment
- macpherson strut — an automobile suspension-system component that consists of a strut combined with a spring and shock absorber and connects the wheel to the frame of the vehicle.
- macro-linguistic — a field of study concerned with language in its broadest sense and including cultural and behavioral features associated with language.
- macroclimatology — the study of the climatic conditions of a large area.
- macroenvironment — (biology) The large-scale and long-term environment and conditions that affect an organism.
- macroinstruction — macro (def 5).
- macrolepidoptera — a collector's name for that part of the lepidoptera that comprises the butterflies and the larger moths (noctuids, geometrids, bombycids, springtails, etc): a term without taxonomic significance
- macrolinguistics — a field of study concerned with language in its broadest sense and including cultural and behavioral features associated with language.
- macrometeorology — the study of large-scale atmospheric phenomena, as the general circulation of the air or global weather conditions.
- macrophotography — Photography that is done up close; close-up photography.
- macrorestriction — In physical gene mapping, the digestion of DNA of high molecular weight with a restriction enzyme having a low number of restriction sites.
- mad-dog skullcap — a North American skullcap, Scutellaria lateriflora, having underground stems and one-sided clusters of blue to white flowers.
- magazine section — a magazinelike section in the Sunday editions of many newspapers, containing articles rather than news items and often letters, reviews, stories, puzzles, etc.
- magellanic cloud — either of two irregular galactic clusters in the southern heavens that are the nearest independent star system to the Milky Way.
- magmatic stoping — the process by which country rock is broken up and engulfed by the upward movement of magma
- magnesiochromite — (mineral) A chromite species with the formula MgCr2O4.
- magnetic anomaly — a departure from the normal magnetic field of the earth.
- magnetic compass — a compass having a magnetized needle generally in line with the magnetic poles of the earth.
- magnetic equator — aclinic line.
- magneto-electric — of or relating to the induction of electric current or electromotive force by means of permanent magnets.
- magnetoacoustics — (used with a singular verb) the branch of physics studying the effects of magnetism on acoustics or their interaction.
- magnetochemistry — the study of magnetic and chemical phenomena in their relation to one another.
- magnetoreceptors — Plural form of magnetoreceptor.
- magnetostriction — a change in dimensions exhibited by ferromagnetic materials when subjected to a magnetic field.
- magnetostrictive — Of or pertaining to magnetostriction.
- maine coon (cat) — any of a breed of domestic cat, thought to have been developed in Maine, with a thick, smooth, silky coat and a bushy tail
- majority carrier — the entity responsible for carrying the greater part of the current in a semiconductor. In n-type semiconductors the majority carriers are electrons; in p-type semiconductors they are positively charged holes
- majority verdict — a decision supported by more than half, but not all, the jury
- make a complaint — If a guest makes a complaint, they express their dissatisfaction with something.
- make a photocopy — If you make a photocopy of a document, you make a copy of it using a photocopier.
- make a pitch for — to give verbal support to
- malacostracology — (obsolete) carcinology, the study of crustaceans.
- malchus-porphyry — (Malchus) a.d. c233–c304, Greek philosopher.
- malcontentedness — not satisfied or content with currently prevailing conditions or circumstances.
- male-voice choir — a choir of male singers
- malicious damage — Malicious damage is damage caused on purpose to the property of another person.
- mammographically — Using a mammograph, by means of mammograph.
- man of the cloth — a clergyman or other ecclesiastic.
- man on horseback — a military leader who presents himself as the savior of the country during a period of crisis and either assumes or threatens to assume dictatorial powers.
- manic depression — bipolar disorder.
- marginal costing — a method of cost accounting and decision making used for internal reporting in which only marginal costs are charged to cost units and fixed costs are treated as a lump sum
- maritime command — the naval branch of the Canadian armed forces
- marriage customs — the acts that are traditionally done in connection with a marriage
- marsh cinquefoil — a variety of cinquefoil, Potentilla palustris, that grows in marshy areas
- mass destruction — devastation on a large scale
- matter of course — an event or result that is natural or inevitable
- matter of record — a fact or statement that appears on the record of a court and that can be proved or established by producing such record.