20-letter words containing o, r

greek-letter society — any student fraternity or sorority in a US university or college, usually using Greek letters in their title
green monkey disease — Marburg disease.
green mountain state — Vermont (used as a nickname).
greenwich hour angle — hour angle measured from the meridian of Greenwich, England.
gregory of nazianzus — Saint. ?329–89 ad, Cappadocian theologian: bishop of Caesarea (370–79). Feast days: Jan 2, 25, and 30
grey-crowned babbler — an insect-eating Australian bird, Pomatostomus temporalis of the family Timaliidae
grievous bodily harm — law: serious injury
grolier de servieres — Jean [zhahn] /ʒɑ̃/ (Show IPA), 1479–1565, French bibliophile.
group code recording — (storage) (GCR) A recording method used for 6250 BPI magnetic tapes. GCR typically uses a group of five bits of code to represent four bits of data. The encoding ensures no more than two or three zeros occur in a row, and no more than eight or so ones occur in a row, where zeros represent an absense of magnetic change. GCR is also used on Commodore Business Machines diskette drives; the 4040, 8050, 154x, 157x and 158x series of 5.25" and 3.5" low and high density diskette drives used with 8-bit home computers circa 1977 to 1992. It was also supported on Amiga internal and external drives but only used for reading non-Amiga disks. Compare NRZI, PE.
group life insurance — a form of life insurance available to members of a group, typically employees of a company, under a master policy.
group of twenty-four — a group of twenty-four rich and industrialized countries of the world, whose heads of government meet regularly to coordinate the position of developing countries on monetary and development issues
group representation — representation in a governing body on the basis of interests rather than by geographical location.
guarded horn clauses — (language) (GHC) A parallel dialect of Prolog by K. Ueda in which each clause has a guard. GHC is similar to Parlog. When several clauses match a goal, their guards are evaluated in parallel and the first clause whose guard is found to be true is used and others are rejected. It uses committed-choice nondeterminism. See also FGHC, KL1.
hampton court palace — a royal palace in Hampton, London, built in 1515 by Cardinal Wolsey
happy hunting ground — the North American Indian heaven, conceived of as a paradise of hunting and feasting for warriors and hunters.
harmonic minor scale — minor scale (def 1).
harmonic progression — a series of numbers the reciprocals of which are in arithmetic progression.
hate a person's guts — to dislike a person very strongly
health questionnaire — A health questionnaire is a list of questions about someone's health issued by underwriters before accepting a person as a risk.
heat of vaporization — the heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature: equal to the heat of condensation.
helicopter parenting — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
herringbone bridging — Carpentry. cross bridging.
heston and isleworth — a former borough, now part of Hounslow, in SE England, near London.
heteropolysaccharide — (carbohydrate) any polysaccharide formed from two or more different kinds of monosaccharide.
hexafluoroantimonate — (inorganic chemistry) The anion SbF6- or any salt containing this anion; it is used as an acidic catalyst in epoxide opening reactions.
hickory horned devil — regal moth
hierarchical routing — The complex problem of routing on large networks can be simplified by breaking a network into a hierarchy of smaller networks, where each level is responsible for its own routing. The Internet has, basically, three levels: the backbones, the mid-levels, and the stub networks. The backbones know how to route between the mid-levels, the mid-levels know how to route between the sites, and each site (being an autonomous system) knows how to route internally. See also Exterior Gateway Protocol, Interior Gateway Protocol, transit network.
hieroglyphic hittite — an extinct language of the Anatolian branch of Indo-European, written in a pictographic script in Syria c1200–c600 b.c.: the same language as written in cuneiform in Anatolia is known as Luwian.
hildegard von bingen — Hildegard von (Hildegard of Bingen"Sibyl of the Rhine") 1098–1178, German nun, healer, writer, and composer.
historical sociology — the sociological study of the origins and development of societies and of other social phenomena that seeks underlying laws and principles.
holder in due course — a person who has received a negotiable instrument in good faith and without notice that it is overdue, that there is any prior claim, or that there is a defect in the title of the person who negotiated it.
holy water sprinkler — morning star (def 2).
honeysuckle ornament — anthemion.
horizontal microcode — (processor) Microcode using horizontal encoding.
horizontal scan rate — (hardware) (HSR) The measure of how many scan lines of pixels a monitor can display in one second, expressed in kHz (generally somewhere between 20 and 100 kHz). The HSR is controlled by the horizontal sync signal generated by the video controller, but is limited by the speed with which the monitor can scan the electron beam horizontally across the screen and then return it to the beginning of the next line.
horizontally opposed — A horizontally opposed engine has the cylinders set horizontally at either side of the crankshaft.
hospitality industry — the hotel and accommodation industry
hot under the collar — the part of a shirt, coat, dress, blouse, etc., that encompasses the neckline of the garment and is sewn permanently to it, often so as to fold or roll over.
houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
how are you keeping? — how are you?
human genome project — a federally funded U.S. scientific project to identify both the genes and the entire sequence of DNA base pairs that make up the human genome.
human growth hormone — somatotropin. Abbreviation: hGH.
human interest story — news item about people's lives
human papillomavirus — any of a group of papillomaviruses causing cutaneous warts and lesions of the oral, anal, and genital mucous membranes in human beings
human parvovirus b19 — Pathology. a mild infection, most often seen in children or young adults, caused by a small virus ((the human parvovirus B19)) and marked by a blotchy rash on the cheeks, arms, and legs.
human-interest story — a story or report, as in a newspaper or on a newscast, designed to engage attention and sympathy by enabling one to identify readily with the people, problems, and situations described.
hungarian bromegrass — a pasture grass, Bromus inermis, native to Europe, having smooth blades.
hurricane-force wind — a wind, not necessarily a hurricane, having a speed of more than 72 miles per hour (32 m/sec): the strongest of the winds.
hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.

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