17-letter words containing a, t, h, o, m
- chromolithography — the process of making coloured prints by lithography
- chugach mountains — a coastal mountain range in S Alaska, extending W from the St. Elias Mountains. Highest peak, Mount Marcus Baker, 13,176 feet (4016 meters).
- coin of the realm — legal tender.
- combine harvester — A combine harvester is a large machine which is used on farms to cut, sort, and clean grain.
- come to handgrips — to engage in hand-to-hand fighting
- come to the party — to take part or become involved
- committal hearing — (in British law) a preliminary inquiry by a magistrate to decide if there is enough evidence for a case to go to trial
- computer graphics — the use of a computer to produce and manipulate pictorial images on a video screen, as in animation techniques or the production of audiovisual aids
- consumer watchdog — an organization or government agency that campaigns for consumers
- corner the market — dominate trade
- crampon technique — a climbing style that uses crampons
- cream of the crop — the best of a group
- 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
- death's-head moth — a European hawk moth, Acherontia atropos, having markings resembling a human skull on its upper thorax
- 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
- 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.
- douglas macarthur — Douglas, 1880–1964, U.S. general: supreme commander of allied forces in SW Pacific during World War II and of UN forces in Korea 1950–51.
- electrochemically — In an electrochemical manner.
- electromechanical — Of, relating to, or denoting a mechanical device that is electrically operated.
- electromyographic — Using electromyography.
- elementary school — primary school
- 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.
- ethnopharmacology — The scientific study correlating ethnic groups, their health, and how it relates to their physical habits and methodology in creating and using medicines.
- 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
- foam at the mouth — a collection of minute bubbles formed on the surface of a liquid by agitation, fermentation, etc.: foam on a glass of beer.
- for the most part — a portion or division of a whole that is separate or distinct; piece, fragment, fraction, or section; constituent: the rear part of the house; to glue the two parts together.
- four-part harmony — harmony in which each chord has four tones, creating, in sum, four melodic lines.
- from hand to hand — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- from head to foot — all over one's body
- gas chromatograph — a chromatograph used for the separation of volatile substances.
- 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.
- geothermal energy — Geothermal energy is energy from temperature differences inside the earth's crust.
- go on the rampage — If people go on the rampage, they rush about in a wild or violent way, causing damage or destruction.
- go the extra mile — make an exceptional effort
- good-time charlie — an affable, sociable, pleasure-loving man.
- grandmother clock — a pendulum clock similar to a grandfather's clock but shorter.
- great-grandmother — a grandmother of one's father or mother.
- 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