17-letter words containing a, b, r, o, c, h
- hyperbolic spiral — rθ = a, (where a is a constant)
- in the background — behind the focus of attention
- laboratory school — a school maintained by a college or university for the training of student teachers.
- lithium carbonate — a colorless crystalline compound, Li 2 CO 3 , slightly soluble in water: used in ceramic and porcelain glazes, pharmaceuticals, and luminescent paints.
- lombrosian school — a school of criminology, promulgating the theories and employing the methods developed by Lombroso.
- michigan bankroll — a large roll of paper money in small denominations.
- mikhail gorbachev — Mikhail S(ergeyevich) [mi-kahyl sur-gey-uh-vich,, mi-keyl;; Russian myi-khuh-yeel syir-gye-yi-vyich] /mɪˈkaɪl sɜrˈgeɪ ə vɪtʃ,, mɪˈkeɪl;; Russian myɪ xʌˈyil syɪrˈgyɛ yɪ vyɪtʃ/ (Show IPA), born 1931, Soviet political leader: general secretary of the Communist Party 1985–91; president of the Soviet Union 1988–91; Nobel Peace Prize 1990.
- monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
- near-earth object — a comet or asteroid pushed by the gravitational attraction of nearby planets into an orbit that allows it to enter the earth's orbit and thereby pose a danger of collision. Abbreviation: NEO.
- nicholas bourbaki — the pseudonym of a group of mainly French mathematicians that, since 1939, has been producing a monumental work on advanced mathematics, Eléments de Mathématique
- nonalcoholic beer — Nonalcoholic beer is beer that does not contain any alcohol.
- north miami beach — a city in SE Florida.
- old orchard beach — a resort town in S Maine.
- opisthobranchiate — (zoology) Of or pertaining to the Opisthobranchiata.
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- purple shore crab — any of numerous crabs that live along the shoreline between the tidemarks, as Hemigrapsus nudus (purple shore crab) of the Pacific coast of North America.
- republic of china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- saxe-coburg-gotha — a member of the present British royal family, from the establishment of the house in 1901 until 1917 when the family name was changed to Windsor.
- semi-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- sodium bichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
- the bag of tricks — every device; everything
- the barbary coast — a historic name for the Mediterranean coast of North Africa: a centre of piracy against European shipping from the 16th to the 19th centuries
- the black country — the formerly heavily industrialized region of central England, northwest of Birmingham
- the carboniferous — the Carboniferous period or rock system
- turbosupercharger — (formerly) a turbocharger.