17-letter words containing h, e, m, i, t, a
- 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
- dimethylhydrazine — a flammable, highly toxic, and colorless liquid, C 2 H 8 N 2 , used as a component in jet and rocket fuels.
- displacement hull — a hull that displaces a significant volume of water when under way.
- 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.
- dutch elm disease — a disease of elms characterized by wilting, yellowing, and falling of the leaves and caused by a fungus, Ceratostomella ulmi, transmitted by bark beetles.
- eat flaming death — (humour, abuse) A construction popularised among hackers by the infamous CPU Wars comic; supposedly derive from a famously turgid line in a WWII-era anti-Nazi propaganda comic that ran "Eat flaming death, non-Aryan mongrels!" or something of the sort (however, it is also reported that the Firesign Theater's 1975 album "In The Next World, You're On Your Own" included the phrase "Eat flaming death, fascist media pigs"; this may have been an influence). Used in humorously overblown expressions of hostility. "Eat flaming death, EBCDIC users!"
- 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.
- exhaust emissions — Exhaust emissions are substances that come out of an exhaust system into the atmosphere.
- female chauvinist — a female who patronizes, disparages, or otherwise denigrates males in the belief that they are inferior to females and thus deserving of less than equal treatment or benefit.
- female-chauvinist — a person who is aggressively and blindly patriotic, especially one devoted to military glory.
- 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.
- 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.
- glymphatic system — Anatomy. the system or process by which cerebrospinal fluid moves through channels formed by glia, cleansing the mammalian brain of harmful waste.
- go the extra mile — make an exceptional effort
- good-time charlie — an affable, sociable, pleasure-loving man.
- haemagglutinating — That agglutinates red blood cells.
- 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
- 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.
- higher arithmetic — arithmetic (def 2).
- 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.
- hollerith, herman — Herman Hollerith
- 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.
- honorable mention — a citation conferred on a contestant, exhibit, etc., having exceptional merit though not winning a top honor or prize.
- hydroxytryptamine — (organic compound) Any hydroxy derivative of tryptamine, but especially 5-hydroxytryptamine (serotonin).
- hyperalimentation — overfeeding.
- hyperpigmentation — coloration, especially of the skin.
- hypocholesteremia — an abnormally low amount of cholesterol in the blood.
- image enhancement — a method of improving the definition of a video picture by a computer program, which reduces the lowest grey values to black and the highest to white: used for pictures from microscopes, surveillance cameras, and scanners
- immunotherapeutic — (immunology, medicine) Of a pharmaceutical, acting on the immune system to treat disease; used in immunotherapy.
- implosion therapy — a form of behavior therapy involving intensive recollection and review of anxiety-producing situations or events in a patient's life in an attempt to develop more appropriate responses to similar situations in the future.