20-letter words containing m, a, c, h, i, o
- harmonic progression — a series of numbers the reciprocals of which are in arithmetic progression.
- hexadecimal notation — a number system having a base 16; the symbols for the numbers 0–9 are the same as those used in the decimal system, and the numbers 10–15 are usually represented by the letters A–F. The system is used as a convenient way of representing the internal binary code of a computer
- horizontal microcode — (processor) Microcode using horizontal encoding.
- hyperadrenocorticism — Cushing's syndrome.
- hypercholesterolemia — the presence of an excessive amount of cholesterol in the blood.
- hyperhomocysteinemia — (medicine) The presence of an excessive amount of homocysteine in the blood.
- in the public domain — able to be discussed and examined freely by the general public
- information exchange — discussion that involves exchanging ideas and knowledge
- insulin-coma therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- jerk someone's chain — to tease, mislead, or harass someone
- justifiable homicide — murder committed under extenuating circumstances
- last of the mohicans — a historical novel (1826) by James Fenimore Cooper.
- lavaliere microphone — a small microphone that hangs around the neck of a performer or speaker.
- life-support machine — A life-support machine is the equipment that is used to keep a person alive when they are very ill and cannot breathe without help.
- logarithmic function — a function defined by y = log bx, especially when the base, b, is equal to e, the base of natural logarithms.
- madwoman of chaillot — a satirical comedy (1945) by Jean Giraudoux.
- magnetohydrodynamics — the branch of physics that deals with the motion of electrically conductive fluids, especially plasmas, in magnetic fields. Abbreviation: MHD.
- mail exchange record — (messaging) (MX Record) A DNS resource record type that says which SMTP server handles electronic mail for a particular domain. E.g. the MX record foo.co.uk. 1054 IN MX 10 mail.foo.co.uk. means that mail for an address like "[email protected]" should be sent to "mail.foo.co.uk". There can be several servers for a domain. The "10" is a priority - the server with the lowest number will be tried first.
- malpighian corpuscle — Also called kidney corpuscle, Malpighian body. the structure at the beginning of a vertebrate nephron, consisting of a glomerulus and its surrounding Bowman's capsule.
- manuel avila camacho — Manuel Ávila [mah-nwel ah-vee-lah] /mɑˈnwɛl ˈɑ viˌlɑ/ (Show IPA). Manuel Avila Camacho.
- meta-dichlorobenzene — a colorless liquid, C 6 H 4 Cl 2 , soluble in alcohol and ether: used as a fumigant and insecticide.
- mischaracterizations — Plural form of mischaracterization.
- no lack of something — If you say there is no lack of something, you are emphasizing that there is a great deal of it.
- north american plate — a major tectonic division of the earth's crust, comprising Greenland and the continent of North America and the suboceanic Labrador and North American Basins, and bounded on the east by the Mid-Atlantic Ridge, on the south by the Caribbean and South American Plates, and on the west by the San Andreas fault and Aleutian Trench.
- orthopaedic mattress — a specially firm mattress designed to help correct or ameliorate the discomfort of disorders of the spine and joints
- physical examination — an examination, usually by a physician, of a person's body in order to determine his or her state of health or physical fitness, as for military service or participation in a sport.
- physical meteorology — the branch of meteorology dealing with the study of optical, electrical, acoustical, and thermodynamic phenomena in the atmosphere, including the physics of clouds and precipitation.
- potassium bichromate — an orange-red, crystalline, water-soluble, poisonous powder, K 2 Cr 2 O 7 , used chiefly in dyeing, photography, and as a laboratory reagent.
- potassium dichromate — an orange-red crystalline soluble solid substance that is a good oxidizing agent and is used in making chrome pigments and as a bleaching agent. Formula: K2Cr2O7
- psychological moment — the proper or critical time for achieving a desired result: She found the right psychological moment to make her request.
- punch a (time) clock — to insert a timecard into a time clock when coming to or going from work
- rocky mountain sheep — bighorn.
- saint john ambulance — an organization that provides first aid and first-aid training
- satellite chromosome — a type of densely staining chromosome of uncertain biological function, found in many plant and animal species.
- scottish nationalism — a political ideology advocating the independence of Scotland
- semiautobiographical — pertaining to or being a fictionalized account of an author's own life.
- skating championship — a competition for ice-skating
- south american plate — a major tectonic division of the earth's crust, comprising the continent of South America and several ocean basins and bounded on the north by the Caribbean Plate, on the east by the Mid-Atlantic Ridge, on the west by a submarine trench that borders the western coast of the continent, and on the south by the Antarctic Plate.
- spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
- stochastic terrorism — the public demonization of a person or group resulting in the incitement of a violent act, which is statistically probable but whose specifics cannot be predicted: The lone-wolf attack was apparently influenced by the rhetoric of stochastic terrorism.
- stoichiometric ratio — The stoichiometric ratio is the exact ratio between air and flammable gas or vapor at which complete combustion takes place.
- thermal conductivity — the amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material, the faces of the plate differing by one unit of temperature.
- thermodynamic system — a system whose states of equilibrium can be specified by a few macroscopic properties.
- thioantimonious acid — any of a group of hypothetical acids, H3SbS3, HSbS2, and H4Sb2S5, known only in the forms of their salts in solution
- tom, dick, and harry — the ordinary person; people generally; everyone: They invited every Tom, Dick, and Harry to the party.
- too much information — I don't want to hear any more
- tribromoacetaldehyde — bromal.
- twisted stomach worm — stomach worm.
- what-you-may-call-it — an object or person whose name one does not know or cannot recall.
- wilson cloud chamber — cloud chamber.