20-letter words containing d, h, o

join-the-dots puzzle — a puzzle requiring you to connect a series of dots by drawing lines between them. If the dots are correctly connected, the result is a picture
jordan curve theorem — the theorem that the complement of a simple closed curve can be expressed as the union of two disjoint sets, each having as boundary the given curve.
juno and the paycock — a play (1924) by Sean O'Casey.
justifiable homicide — murder committed under extenuating circumstances
laugh one's head off — Phrases such as laugh your head off and scream your head off can be used to emphasize that someone is laughing or screaming a lot or very loudly.
lead with one's chin — to act so imprudently as to invite disaster
least-squares method — a method of estimating values from a set of observations by minimizing the sum of the squares of the differences between the observations and the values to be found.
light-emitting diode — LED.
look homeward, angel — a novel (1929) by Thomas Wolfe.
lord high chancellor — the highest judicial officer of the British crown: law adviser of the ministry, keeper of the great seal, presiding officer in the House of Lords, etc.
lou gehrig's disease — amyotrophic lateral sclerosis.
madwoman of chaillot — a satirical comedy (1945) by Jean Giraudoux.
magnetohydrodynamics — the branch of physics that deals with the motion of electrically conductive fluids, especially plasmas, in magnetic fields. Abbreviation: MHD.
mail exchange record — (messaging) (MX Record) A DNS resource record type that says which SMTP server handles electronic mail for a particular domain. E.g. the MX record foo.co.uk. 1054 IN MX 10 mail.foo.co.uk. means that mail for an address like "[email protected]" should be sent to "mail.foo.co.uk". There can be several servers for a domain. The "10" is a priority - the server with the lowest number will be tried first.
make head (n)or tail — If you say that you cannot make head nor tail of something or you cannot make head or tail of it, you are emphasizing that you cannot understand it at all.
make head or tail of — to attempt to understand (a problem, etc)
meta-dichlorobenzene — a colorless liquid, C 6 H 4 Cl 2 , soluble in alcohol and ether: used as a fumigant and insecticide.
multistep hydroplane — a motorship having a flat bottom built as a series of planes inclined forward, the ship planing on each from stem to stern as its speed increases.
neighbourhood warden — a person employed by a local authority to patrol residential areas and deal with antisocial behaviour
new england theology — Calvinism as modified and interpreted by the descendants of the Puritans in New England, especially Jonathan Edwards, becoming the dominant theology there from about 1730 to 1880.
nondirective therapy — client-centered therapy.
north atlantic drift — an ocean current flowing NE toward the British Isles, formed by the convergence of the Gulf Stream and the Labrador Current SE of Newfoundland.
north canadian river — a river in NE New Mexico, E Texas, and E Oklahoma, flowing SE to the Canadian River. 760 miles (1223 km) long.
north richland hills — a town in N Texas.
northern white cedar — any of several chiefly coniferous trees valued for their wood, especially Chamaecyparis thyoides, of the eastern U.S., or Thuja occidentalis (northern white cedar) of northeastern North America.
not hold a candle to — to be inferior or contemptible in comparison with
not out of the woods — If something or someone is not out of the woods yet, they are still having difficulties or problems.
not worth the candle — not worth the price or trouble entailed (esp in the phrase the game's not worth the candle)
ode to a nightingale — a poem (1819) by Keats.
ode to the west wind — a poem (1820) by Shelley.
of (the) deepest dye — of the most marked, esp. the worst, sort
officer of the guard — an officer, acting under the officer of the day, who is responsible for the instruction, discipline, and performance of duty of the guard in a post, camp, or station. Abbreviation: OG, O.G.
old english sheepdog — one of an English breed of large working dogs having a long, shaggy, gray or blue-merle and white coat that hangs over the eyes, and a bobbed tail, originally developed to drive sheep and cattle.
old man of the woods — an edible, mild-tasting mushroom, Strobilomyces floccopus, occurring in coniferous woodlands of eastern North America.
on the drawing board — in the planning stage
on the shady side of — beyond (a given age); older than
on the starboard bow — within 45 degrees to the starboard of straight ahead
on the sunny side of — younger than (a specified age)
one's heart's desire — If you say that someone or something is your heart's desire, you mean that you want that person or thing very much.
ophthalmodynamometer — a device for determining the nearest point of ocular convergence.
order of the thistle — an ancient Scottish order of knighthood revived by James VII of Scotland in 1687. It consists of the sovereign, 16 knights brethren, and extra members created by statute. It is the equivalent of the Order of the Garter, and is usually conferred on Scots
orthopaedic mattress — a specially firm mattress designed to help correct or ameliorate the discomfort of disorders of the spine and joints
orthophosphoric acid — a colorless, crystalline solid, H 3 PO 4 , the tribasic acid of pentavalent phosphorus: used chiefly in fertilizers, as a source of phosphorus salts, and in soft drinks as an acidulant and flavoring agent.
outside (of) the box — in a fresh, inventive, unconventional way
owner-occupied house — a house that is owned by the person who lives in it
paint the town (red) — to go on a boisterous spree; carouse
para-dichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
pass the time of day — to exchange casual greetings (with an acquaintance)
paternal grandmother — the mother of someone's father
peroxysulphuric acid — a white hygroscopic crystalline unstable oxidizing acid. Formula: H2SO5

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