20-letter words containing c, h, t, o
- hit the panic button — an alarm button for use in an emergency, as to summon help.
- honeysuckle ornament — anthemion.
- horizontal microcode — (processor) Microcode using horizontal encoding.
- horizontal scan rate — (hardware) (HSR) The measure of how many scan lines of pixels a monitor can display in one second, expressed in kHz (generally somewhere between 20 and 100 kHz). The HSR is controlled by the horizontal sync signal generated by the video controller, but is limited by the speed with which the monitor can scan the electron beam horizontally across the screen and then return it to the beginning of the next line.
- hot under the collar — the part of a shirt, coat, dress, blouse, etc., that encompasses the neckline of the garment and is sewn permanently to it, often so as to fold or roll over.
- human genome project — a federally funded U.S. scientific project to identify both the genes and the entire sequence of DNA base pairs that make up the human genome.
- hydrostatic pressure — Hydrostatic pressure is the pressure exerted by a liquid that depends on how deep it is.
- hyperadrenocorticism — Cushing's syndrome.
- hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
- hypercholesterolemia — the presence of an excessive amount of cholesterol in the blood.
- hypercholesterolemic — (pathology) Of, pertaining to, or having hypercholesterolemia.
- hyperhomocysteinemia — (medicine) The presence of an excessive amount of homocysteine in the blood.
- hypodermic injection — the injection of a medicine or drug under the skin
- immunohistochemistry — the application of immunologic techniques to the chemical analysis of cells and tissues.
- in contact (with sb) — If you are in contact with someone, you regularly meet them or communicate with them.
- in the public domain — able to be discussed and examined freely by the general public
- independence of path — the property of a function for which the line integral has the same value along all curves between two specified points.
- indicated horsepower — the horsepower of a reciprocating engine as shown by an indicator record. Abbreviation: ihp, IHP.
- infectious hepatitis — hepatitis A.
- information exchange — discussion that involves exchanging ideas and knowledge
- instruction prefetch — (architecture) A technique which attempts to minimise the time a processor spends waiting for instructions to be fetched from memory. Instructions following the one currently being executed are loaded into a prefetch queue when the processor's external bus is otherwise idle. If the processor executes a branch instruction or receives an interrupt then the queue must be flushed and reloaded from the new address. Instruction prefetch is often combined with pipelining in an attempt to keep the pipeline busy. By 1995 most processors used prefetching, e.g. Motorola 680x0, Intel 80x86.
- insulin-coma therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- international gothic — a style of Gothic art, especially painting, developed in Europe in the late 14th and early 15th centuries, chiefly characterized by details carefully delineated in a naturalistic manner, elongated and delicately modeled forms, the use of complex perspective, and an emphasis on the decorative or ornamental aspect of drapery, foliage, or setting.
- isochronous transfer — isochronous
- jordan curve theorem — the theorem that the complement of a simple closed curve can be expressed as the union of two disjoint sets, each having as boundary the given curve.
- joule-thomson effect — the change of temperature that a gas exhibits during a throttling process, shown by passing the gas through a small aperture or porous plug into a region of low pressure.
- juno and the paycock — a play (1924) by Sean O'Casey.
- justice of the peace — a local public officer, usually having jurisdiction to try and determine minor civil and criminal cases and to hold preliminary examinations of persons accused of more serious crimes, and having authority to administer oaths, solemnize marriages, etc.
- justifiable homicide — murder committed under extenuating circumstances
- kick over the traces — either of the two straps, ropes, or chains by which a carriage, wagon, or the like is drawn by a harnessed horse or other draft animal.
- kleene, stephen cole — Stephen Kleene
- knock out of the box — to make so many hits against (an opposing pitcher) as to cause the pitcher's removal
- knock the tar out of — any of various dark-colored viscid products obtained by the destructive distillation of certain organic substances, as coal or wood.
- last of the mohicans — a historical novel (1826) by James Fenimore Cooper.
- lead with one's chin — to act so imprudently as to invite disaster
- 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.
- light the touchpaper — to do something that will cause much anger or excitement
- light-weight process — (operating system, parallel) (LWP) A single-threaded sub-process which, unlike a thread, has its own process identifier and may also differ in its inheritance and controlling features. Several operating systems, e.g. SunOS 5.x, provide system calls for creating and controlling LWPs.
- lighthouse coffeepot — a coffeepot of the late 17th and 18th centuries, having a tapering, circular body with a domed lid.
- linguistic geography — dialect geography.
- logarithmic function — a function defined by y = log bx, especially when the base, b, is equal to e, the base of natural logarithms.
- lonely hearts column — the part of a newspaper or magazine where lonely hearts ads appear
- madwoman of chaillot — a satirical comedy (1945) by Jean Giraudoux.
- magnetoencephalogram — a record of the magnetic field of the brain. Abbreviation: MEG.
- magnetohydrodynamics — the branch of physics that deals with the motion of electrically conductive fluids, especially plasmas, in magnetic fields. Abbreviation: MHD.
- massachusetts ballot — a ballot on which the candidates, with their party designations, are listed alphabetically in columns under the office for which they were nominated.
- member of the public — a member of the general population
- meta-dichlorobenzene — a colorless liquid, C 6 H 4 Cl 2 , soluble in alcohol and ether: used as a fumigant and insecticide.
- methyl chloroformate — a colorless liquid, C 2 H 3 ClO 2 , used chiefly in organic synthesis.
- microelectrophoresis — any of several techniques for observing, by means of a microscope or an ultramicroscope, the electrophoresis of minute surface particles.