18-letter words containing h, o, t, a

ethnomusicological — Relating to or pertaining to ethnomusicology.
ethnopsychological — Relating to ethnopsychology.
euclid's algorithm — (algorithm) (Or "Euclidean Algorithm") An algorithm for finding the greatest common divisor (GCD) of two numbers. It relies on the identity gcd(a, b) = gcd(a-b, b) To find the GCD of two numbers by this algorithm, repeatedly replace the larger by subtracting the smaller from it until the two numbers are equal. E.g. 132, 168 -> 132, 36 -> 96, 36 -> 60, 36 -> 24, 36 -> 24, 12 -> 12, 12 so the GCD of 132 and 168 is 12. This algorithm requires only subtraction and comparison operations but can take a number of steps proportional to the difference between the initial numbers (e.g. gcd(1, 1001) will take 1000 steps).
every now and then — from time to time; occasionally
fall to the ground — (of a plan, theory, etc) to be rendered invalid, esp because of lack of necessary information
family-tree theory — a theory that describes language change in terms of genetically related languages developing in successive splits from a common parent language, such as Indo-European, as depicted by a family tree diagram.
farm the long acre — to graze cows on the verge of a road
feast of orthodoxy — a solemn festival held on the first Sunday of Lent (Orthodoxy Sunday) commemorating the restoration of the use of icons in the church (a.d. 842) and the triumph over all heresies.
feather one's nest — one of the horny structures forming the principal covering of birds, consisting typically of a hard, tubular portion attached to the body and tapering into a thinner, stemlike portion bearing a series of slender, barbed processes that interlock to form a flat structure on each side.
feldenkrais method — a system of gentle movements that promote flexibility, coordination, and self-awareness
fifth monarchy men — (during the Commonwealth in the 17th century) a militant sect of Puritans who identified the fifth monarchy with the millennial reign of Christ and who believed they should help to inaugurate that reign by force.
fight to the death — If you say that you will fight to the death for something, you are emphasizing that you will do anything to achieve or protect it, even if you suffer as a consequence.
flame-of-the-woods — an Indian evergreen shrub, Ixora coccinea, of the madder family, having red, tubular flowers in dense clusters.
fly in the face of — to move through the air using wings.
fly off the handle — a part of a thing made specifically to be grasped or held by the hand.
foundling hospital — an institutional home for foundlings.
fourth commandment — “Remember the sabbath day, to keep it holy”: fourth of the Ten Commandments.
fourth normal form — database normalisation
fracture toughness — The fracture toughness of a material is how likely it is to resist fracture.
from hand to mouth — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
gas chromatography — a chromatograph used for the separation of volatile substances.
genetic algorithms — genetic algorithm
gestalt psychology — (sometimes lowercase) the theory or doctrine that physiological or psychological phenomena do not occur through the summation of individual elements, as reflexes or sensations, but through gestalts functioning separately or interrelatedly.
get out of the way — move aside
giant peacock moth — the largest European moth, an emperor, Saturnia pyri, reaching 15 cm (6 in.) in wingspan. It is mottled brown with a prominent ocellus on each wing and being night-flying can be mistaken for a bat
go back to the mat — to abandon urban civilization
go for the jugular — Anatomy. of or relating to the throat or neck. noting or pertaining to any of certain large veins of the neck, especially one (external jugular vein) collecting blood from the superficial parts of the head or one (internal jugular vein) collecting blood from within the skull.
go to the bathroom — use the toilet
go with the stream — to conform to the accepted standards
goods and chattels — personal property
grease the palm of — to influence by giving money to; bribe
greater pichiciego — an armadillo, Burmeisteria retusa, similar to, but larger than, a pichiciego
half-open interval — a set of numbers between two given numbers but including only one endpoint.
hamilton's problem — Hamiltonian problem
hand it to someone — to give credit to someone
harnessed antelope — any African antelope of the genus Tragelaphus, especially the bushbuck, having the body marked with white stripes and spots that resemble a harness, and, in the male, long, gently spiraling horns.
haud your wheesht! — be silent! hush!
haulage contractor — a person or firm that transports goods by lorry
have (got) it made — to be assured of success
have a slate loose — to be eccentric or crazy
have a thing about — If you have a thing about someone or something, you have very strong feelings about them.
have by the throat — to have compete control over (a person or thing)
have got to do sth — You use have got to when you are saying that something is necessary or must happen in the way stated. In informal American English, the 'have' is sometimes omitted.
have money to burn — to have more money than one needs, so that some can be spent foolishly
have no hesitation — If you say that you have no hesitation in doing something, you are emphasizing that you will do it immediately or willingly because you are certain that it is the right thing to do.
have one's moments — If you say that someone or something has their moments, you are indicating that there are times when they are successful or interesting, but that this does not happen very often.
have the better of — of superior quality or excellence: a better coat; a better speech.
have two left feet — to be very clumsy
have words with sb — If one person has words with another, or if two or more people have words, they have a serious discussion or argument, especially because one has complained about the other's behaviour.
have/be to do with — If you say that one thing has something to do with or is something to do with another thing, you mean that the two things are connected or that the first thing is about the second thing.

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