17-letter words containing m, o, t, h, i
- damon and pythias — two friends noted for their mutual loyalty. Damon offered himself as a hostage for Pythias, who was to be executed for treason by Dionysius of Syracuse. When Pythias returned to save his friend's life, he was pardoned
- deduction theorem — the property of many formal systems that the conditional derived from a valid argument by taking the conjunction of the premises as antecedent and the conclusion as consequent is true
- demythologization — The act of demythologizing, or something demythologized.
- despotic monarchy — absolute monarchy.
- dextroamphetamine — a dextrorotatory amphetamine, used to suppress appetite
- dihydroergotamine — an ergot alkaloid, C 33 H 37 N 5 O 5 , used in the treatment of various types of migraine headache.
- dimethylformamide — a colourless liquid widely used as a solvent and sometimes as a catalyst. Formula: (CH3)2NCHO
- dimethylsulfoxide — DMSO.
- dog in the manger — a person who selfishly keeps something that he or she does not really need or want so that others may not use or enjoy it.
- down in the dumps — If you are down in the dumps, you are feeling very depressed and miserable.
- down-in-the-mouth — glum
- electrochemically — In an electrochemical manner.
- electromechanical — Of, relating to, or denoting a mechanical device that is electrically operated.
- electromyographic — Using electromyography.
- embroidery thread — a thread used for embroidery
- encephalomyelitic — Relating to encephalomyelitis.
- encephalomyelitis — Inflammation of the brain and spinal cord, typically due to acute viral infection.
- ethnomusicologist — A researcher in the field of ethnomusicology.
- exhaust emissions — Exhaust emissions are substances that come out of an exhaust system into the atmosphere.
- fifth commandment — “Honor thy father and thy mother, that thy days may be long upon the land which the Lord thy God giveth thee”: fifth of the Ten Commandments.
- fifth normal form — database normalisation
- fine-toothed comb — a comb with fine, closely set teeth
- genetic algorithm — (GA) An evolutionary algorithm which generates each individual from some encoded form known as a "chromosome" or "genome". Chromosomes are combined or mutated to breed new individuals. "Crossover", the kind of recombination of chromosomes found in sexual reproduction in nature, is often also used in GAs. Here, an offspring's chromosome is created by joining segments choosen alternately from each of two parents' chromosomes which are of fixed length. GAs are useful for multidimensional optimisation problems in which the chromosome can encode the values for the different variables being optimised.
- go the extra mile — make an exceptional effort
- good-time charlie — an affable, sociable, pleasure-loving man.
- grist to the mill — If you say that something is grist to the mill, you mean that it is useful for a particular purpose or helps support someone's point of view.
- haemagglutination — Alternative form of hemagglutination.
- haematocrystallin — Alternative form of hematocrystallin.
- haemoglobinometer — an instrument used to determine the haemoglobin content of blood
- haemoglobinopathy — (medicine) Any of a group of inherited disorders in which haemoglobin does not function properly.
- haemorrhoidectomy — surgical removal of haemorrhoids
- hairy-tailed mole — a blackish North American mole, Parascalops breweri, having a short, hairy tail.
- hamiltonian cycle — Hamiltonian problem
- hanging committee — a group of people that selects and hangs works of art to exhibit
- harmonic interval — an intervening period of time: an interval of 50 years.
- heat of formation — the heat evolved or absorbed when one mole of a compound is formed from its constituent atoms
- hemiglossectomies — Plural form of hemiglossectomy.
- hemoconcentration — an increase in the concentration of cellular elements in the blood, resulting from loss of plasma.
- hermaphrodite rig — jackass rig.
- heteronormativity — The view that all human beings are either male or female, both in sex and in gender, and that sexual and romantic thoughts and relations are normal only when between people of different sexes.
- histamine blocker — any of various substances that act at a specific receptor site to block certain actions of histamine.
- historical method — the process of establishing general facts and principles through attention to chronology and to the evolution or historical course of what is being studied.
- ho chi minh trail — a network of jungle paths winding from North Vietnam through Laos and Cambodia into South Vietnam, used as a military route by North Vietnam to supply the Vietcong during the Vietnam War.
- holistic medicine — incorporating the concept of holism, or the idea that the whole is more than merely the sum of its parts, in theory or practice: holistic psychology.
- hollerith, herman — Herman Hollerith
- home improvements — improvements to one's home, such as new kitchens and bathrooms, central heating etc
- homeland security — national defence
- homeopathic magic — magic that attempts to control the universe through the mimicking of a desired event, as by stabbing an image of an enemy in an effort to destroy him or her or by performing a ritual dance imitative of the growth of food in an effort to secure an abundant supply; a branch of sympathetic magic based on the belief that similar actions produce similar results.
- homogentisic acid — an intermediate compound in the metabolism of tyrosine and of phenylalanine, found in excess in the blood and urine of persons affected with alkaptonuria.
- homolytic fission — the dissociation of a molecule into two neutral fragments