18-letter words containing h, i, a

the operative word — If you describe a word as the operative word, you want to draw attention to it because you think it is important or exactly true in a particular situation.
the practicalities — the real facts or details of a situation, as opposed to its theoretical aspects
the south atlantic — the part of the Atlantic Ocean that lies to the south of the equator
the sun also rises — a novel (1926) by Ernest Hemingway.
the sunshine state — the nickname of the US state of Florida, which comes from its sunny climate
the-cocktail-party — a play in verse (1950) by T. S. Eliot.
the-dark-continent — Africa: so called, especially during the 19th century, because little was known about it.
the-master-builder — a play (1892) by Ibsen.
theodore gericault — (Jean Louis André) Théodore [zhahn lwee ahn-drey tey-aw-dawr] /ʒɑ̃ lwi ɑ̃ˈdreɪ teɪ ɔˈdɔr/ (Show IPA), 1791–1824, French painter.
there you go again — Phrases such as there you go again are used to show annoyance at someone who is repeating something that has annoyed you in the past.
thermal efficiency — the ratio of the work output of a heat engine to the heat input expressed in the same units of energy.
thioantimonic acid — a hypothetical acid, H3SbS4, known only in the form of its salts
thioarsenious acid — any of a group of hypothetical acids, H3AsS3, HAsS2, and H4As2S5, known only in the forms of their salts
thiosulphuric acid — an unstable acid known only in solutions and in the form of its salts. Formula: H2S2O3
third man argument — (in the philosophy of Aristotle) the argument against the existence of Platonic Forms that since the Form of Man is itself a perfect man, a further form (the "third" man) would be required to explain this, and so ad infinitum
thiruvananthapuram — a state in SW India: formerly the regions of Travancore and Cochin. 15,005 sq. mi. (38,836 sq. km). Capital: Thiruvananthapuram.
thomas alva edison — Thomas Alva [al-vuh] /ˈæl və/ (Show IPA), 1847–1931, U.S. inventor, especially of electrical devices.
thorfinn karlsefni — 980–after 1007, Icelandic navigator, explorer, and leader of early colonizing expedition to Vinland, in North America.
threatened species — a species likely, in the near future, to become an endangered species within all or much of its range.
three-day eventing — participation in a three day equestrian competition consisting of dressage, cross-country jumping, and stadium jumping
three-quarter time — the meter of a musical composition having a time signature of 3/4 and three quarter notes or their equivalent in each measure.
thrills and spills — If you refer to thrills and spills, you are referring to an experience which is exciting and full of surprises.
tick all the boxes — to satisfy all of the apparent requirements for success
to a grinding halt — If you describe a bad situation as grinding, you mean it never gets better, changes, or ends.
to be said for sth — If you say there is a lot to be said for something, you mean you think it has a lot of good qualities or aspects.
to find fault with — If you find fault with something or someone, you look for mistakes and complain about them.
to lay it on thick — If someone is laying it on thick or is laying it on, they are exaggerating a statement, experience, or emotion in order to try to impress people.
to lick into shape — If you lick, knock, or whip someone or something into shape, you use whatever methods are necessary to change or improve them so that they are in the condition that you want them to be in.
to pick and choose — If you pick and choose, you carefully choose only things that you really want and reject the others.
to raise the alarm — If you raise the alarm or sound the alarm, you warn people of danger.
to spill the beans — If you spill the beans, you tell someone something that people have been trying to keep secret.
to stop at nothing — If you say that someone will stop at nothing to get something, you are emphasizing that they are willing to do things that are extreme, wrong, or dangerous in order to get it.
to take the mickey — If you take the mickey out of someone or something, you make fun of them, usually in an unkind way.
touch-in-goal line — either of the two touchlines at each end of the field between the goal line and the dead-ball line.
transit theodolite — a theodolite having a telescope that can be transited.
transmission shaft — a shaft that rotates transmitting motion from the engine to the differential gear
triarylmethane dye — any of the class of dyes containing three aryl groups attached to a central carbon atom: used chiefly for dyeing cotton, wool, and silk.
triphosphoric acid — the hypothetical acid H 5 P 3 O 10 , known chiefly by its salts.
under the aegis of — guided or protected by
unenthusiastically — full of or characterized by enthusiasm; ardent: He seems very enthusiastic about his role in the play.
unification church — a religious sect that combines elements of Protestantism and Buddhism, founded by the Rev. Sun Myung Moon in 1954: many of its members live in communes sponsored by the sect.
upper palaeolithic — the latest of the three periods of the Palaeolithic, beginning about 40 000 bc and ending, in Europe, about 12 000 bc: characterized by the emergence of modern man, Homo sapiens
urban homesteading — homesteading (def 2).
vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
vitamin a aldehyde — retinal2 .
vulcan nerve pinch — (jargon) (Or "three-finger salute", Vulcan death grip; from the old "Star Trek" TV series via Commodore Amiga hackers) The keyboard combination that forces a soft boot or jump to ROM monitor (on machines that support such a feature). On an Amiga this is done with Ctrl/Right Amiga/Left Amiga; on IBM PCs and many microcomputers it is Ctrl/Alt/Del; on Suns, L1-A; on some Macintoshes, it is -! Silicon Graphics users are obviously the most dextrous however, as these machines use the five-finger combination: Left Shift/Left Ctrl/Left Alt/Keypad Divide/F12. Compare quadruple bucky.
warehouse capacity — the amount of storage space in a warehouse
watchdog committee — a committee responsible for monitoring standards of behaviour
water of hydration — the portion of a hydrate that is represented as, or can be expelled as, water: now usually regarded as being in true molecular combination with the other atoms of the compound, and not existing in the compound as water.
water on the brain — hydrocephalus.

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