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23-letter words that end in on

  • friedel-crafts reaction — a reaction for the synthesis of hydrocarbons and ketones by the alkylation or acylation of an aromatic compound in the presence of a catalyst, typically anhydrous aluminum chloride.
  • front-end hydrogenation — Front-end hydrogenation is a catalytic process in the early stages of refining which involves the reaction of the carbon-carbon double bond in alkenes with hydrogen.
  • fundamental interaction — any of the four basic interactions that occur in nature: the gravitational, electromagnetic, strong, and weak interactions
  • galilean transformation — the equations in classical mechanics that relate position and time in two frames of reference that are moving uniformly with respect to each other. Compare inertial system, relativity (def 2).
  • have one's heart set on — Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body.
  • heaviside unit function — the function that is zero for any number less than zero and that is 1 for any number greater than or equal to zero.
  • hexagonal cross-section — If a kelly has a hexagonal cross-section, it has a surface area with six equal sides, when looked at as if has been sliced through.
  • hierarchical navigation — (web)   On a web page, any type of menu whose hierarchical structure matches that of the site to which the page belongs. A hierarchical navigation menu allows the user to jump ("navigate") directly to a section of the site several levels below the top. The menu may present only a fixed number of levels rather than the whole structure.
  • homonymous construction — a construction that consists of the same morphemes in the same order as those of another construction, as Flying planes can be dangerous, in which planes in one construction is the object of flying, and in another the subject of can; a terminal string of formatives having two or more structural descriptions.
  • hydrochlorofluorocarbon — Any of a class of inert compounds of carbon, hydrogen, hydrocarbons, chlorine, and fluorine, used in place of chlorofluorocarbons as being somewhat less destructive to the ozone layer.
  • hypergeometric equation — a differential equation of the form, (x 2 − x) d 2 y / d 2 x + [(a+b +1) x−c ] dy/dx + abx =0, where a, b, and c are arbitrary constants.
  • hypergeometric function — a function that is a solution to a hypergeometric equation.
  • icosidodecadodecahedron — A polyhedron having 44 faces, 60 vertices, 120 edges, 12 self intersected faces and 12 nonconvex faces.
  • in dependent suspension — an automotive suspension system in which each wheel is attached to the frame independently, so that a road bump affecting one wheel has no effect on the others.
  • indirect discrimination — discrimination by means of rules, regulations or procedures that may appear to be neutral, but which actually discriminate against certain groups of people.
  • informatics corporation — (company)   Renamed to Sterling Software Corp.
  • internal reconstruction — the hypothetical reconstruction of an earlier stage of a language or of some part of it, as its phonology, by deductions from irregularities in its present structure, as the reconstruction of a stage in English when certain instances of r were related to s in a systematic way by comparing the pair was:were to other pairs, as lose:forlorn.
  • large-scale integration — LSI.
  • lossy audio compression — (audio, compression)   Any audio compression algorithm which does not retain every bit of data but only reproduces a signal that sounds more or less like the original. Examples are MP1, MP2, MP3, AAC.
  • maximal free expression — (MFE) A free expression is sub-expression of a lambda abstraction not containing the bound variable. A maximal free expression is a free expression not contained within any other free expression. See full laziness.
  • mediated generalization — generalization (def 4c).
  • mediated-generalization — the act or process of generalizing.
  • message digest function — one-way hash function
  • minimum security prison — A minimum security prison is a prison where there are fewer restrictions on prisoners than in a normal prison.
  • national superannuation — a means-related pension paid to elderly people
  • near-infrared radiation — the shorter wavelengths of electromagnetic radiation in the infrared region of the spectrum, extending from about 0.75 to 2.5 micrometers, usually radiation reflected from plant materials.
  • newton's laws of motion — three laws of mechanics describing the motion of a body. The first law states that a body remains at rest or in uniform motion in a straight line unless acted upon by a force. The second law states that a body's rate of change of momentum is proportional to the force causing it. The third law states that when a force acts on a body due to another body, then an equal and opposite force acts simultaneously on that body
  • nonverbal communication — gesture and facial expression
  • order of the visitation — a religious order of nuns founded in 1610 by St Francis of Sales and dedicated to contemplation and the cultivation of humility, gentleness, and sisterly love
  • orthographic projection — a two-dimensional graphic representation of an object in which the projecting lines are at right angles to the plane of the projection. Also called orthogonal projection. Compare isometric (def 5).
  • orthomorphic projection — conformal projection.
  • orthostatic hypotension — Medicine/Medical. a fall in blood pressure associated with an upright position, usually occurring as a result of standing still for a long time or rising from a prolonged stay in bed and often causing faintness, dizziness, and vision disturbances.
  • overnight accommodation — accommodation provided by an establishment (such as a hotel) where guests can sleep or spend the night
  • parasexual reproduction — reproduction by recombination of genes from genetically dissimilar nuclei within binucleate or multinucleate cells, as in filamentous fungi.
  • partial differentiation — the process of finding one of the partial derivatives of a function of several variables.
  • participant observation — a technique of field research, used in anthropology and sociology, by which an investigator (participant observer) studies the life of a group by sharing in its activities.
  • pentagonal dodecahedron — pyritohedron.
  • percentage distribution — a frequency distribution is which individual frequencies are shown as a percentage of the total frequencies
  • phyletic classification — classification of organisms based on their assumed evolutionary histories and relationships.
  • plain old documentation — (text)   (pod, occasionally "POD") A simple markup language used to embed documentation, literate programming-style, in Perl programs. Pod readers and converters are part of the standard Perl distribution and the documentation provided with Perl is all in pod format.
  • positive discrimination — special opportunities
  • postcode discrimination — discrimination on the basis of the area where someone lives, with relation to employment, credit rating, etc
  • posthypnotic suggestion — a suggestion made to the subject while in a hypnotic trance, to be acted upon at some time after emerging from the trance
  • power factor correction — Power factor correction is the process of increasing the power factor to near unity without altering the original load.
  • probabilistic automaton — nondeterministic automaton
  • process gas compression — Process gas compression is a procedure for pressurizing and circulating gas through a process by compressing it in a cylinder, to enhance conditions for chemical reaction.
  • process intensification — Process intensification is a change made to a process to make it work in a smaller volume for the same performance.
  • product differentiation — the real or illusory distinction between competing products in a market
  • psychomotor retardation — a generalized slowing of psychological and physical activity, frequently occurring as a symptom of severe depression.
  • put in a false position — to cause misunderstanding of the intentions, opinions, etc. of
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