18-letter words containing h, o, t, d, g
- long hundredweight — a hundredweight of 112 pounds (50.8 kg), the usual hundredweight in Great Britain, but now rare in the U.S.
- long-horned beetle — any of numerous, often brightly colored beetles of the family Cerambycidae, usually with long antennae, the larva of which bores into the wood of living or decaying trees.
- moulding technique — the technique used to shape a material into a frame or mould
- negligent homicide — a criminal charge brought against people who, through criminal negligence, allow others to die
- neighborhood watch — a neighborhood surveillance program or group in which residents keep watch over one another's houses, patrol the streets, etc., in an attempt to prevent crime.
- on the danger list — critically ill in hospital
- on the ragged edge — precariously close to loss of self-control, mental stability, etc.
- orthopedic surgery — corrective operation on bones or joints
- orthotungstic acid — an oxyacid acid of tungsten. Formula: H2WO4
- parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
- positively charged — having a positive charge
- prepare the ground — make conditions ready
- put heads together — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
- runge-kutta method — a numerical method, involving successive approximations, used to solve differential equations.
- say/kiss goodnight — If you say goodnight to someone or kiss them goodnight, you say something such as 'Goodnight' to them or kiss them before one of you goes home or goes to sleep.
- shaggy dog (story) — a long, rambling joke, typically involving ludicrously unreal or irrational behavior and usually having an irrelevant conclusion
- shift one's ground — to change one's argument or defense
- shipping documents — documents relating to the sending of a shipment of goods, for example containing details of contents, weight, value etc.
- sign of the zodiac — one of the twelve constellations along the path of the ecliptic.
- solid-fuel heating — heating that uses solid fuel, such as coal or coke
- song without words — a song which only consists of a tune or melody and does not have any lyrics
- sound spectrograph — an electronic device for recording a sound spectogram.
- sow dragon's teeth — to take some action that is intended to prevent strife or trouble but that actually brings it about
- strathclyde region — a former local government region in W Scotland: formed in 1975 from Glasgow, Renfrewshire, Lanarkshire, Buteshire, Dunbartonshire, and parts of Argyllshire, Ayrshire, and Stirlingshire; replaced in 1996 by the council areas of Glasgow, Renfrewshire, East Renfrewshire, Inverclyde, North Lanarkshire, South Lanarkshire, Argyll and Bute, East Dunbartonshire, West Dunbartonshire, North Ayrshire, South Ayrshire, and East Ayrshire
- the damage is done — If you say 'the damage is done', you mean that it is too late now to prevent the harmful effects of something that has already happened.
- the grand national — an annual steeplechase run at Aintree, Liverpool, since 1839
- theodore gericault — (Jean Louis André) Théodore [zhahn lwee ahn-drey tey-aw-dawr] /ʒɑ̃ lwi ɑ̃ˈdreɪ teɪ ɔˈdɔr/ (Show IPA), 1791–1824, French painter.
- thin on the ground — If people or things of a particular kind are thin on the ground, there are very few of them.
- to a grinding halt — If you describe a bad situation as grinding, you mean it never gets better, changes, or ends.
- to get wind of sth — If you get wind of something, you hear about it, especially when someone else did not want you to know about it.
- under the aegis of — guided or protected by
- urban homesteading — homesteading (def 2).
- vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
- watchdog committee — a committee responsible for monitoring standards of behaviour