18-letter words containing o, b, t
- turbine ventilator — a ventilator, usually mounted on the roof of a building, deck of a ship, etc., having at its head a globular, vaned rotor that is rotated by the wind, conveying air through a duct to and from a chamber below.
- turn one's back on — the rear part of the human body, extending from the neck to the lower end of the spine.
- two-chamber system — the system of having two parliamentary chambers, as the House of Lords and the House of Commons in the United Kingdom
- under one's breath — the air inhaled and exhaled in respiration.
- under the jackboot — If a country or group of people is under the jackboot, they are suffering because the government is cruel and undemocratic.
- up to one's elbows — the bend or joint of the human arm between upper arm and forearm.
- up to the eyeballs — You use up to the eyeballs to emphasize that someone is in an undesirable state to a very great degree.
- urban contemporary — popular dance music incorporating elements of rap, rhythm-and-blues, funk, and soul.
- urban homesteading — homesteading (def 2).
- uriniferous tubule — a urine-bearing tubule in a nephron of a kidney.
- voluntary abortion — abortion (def 1).
- voluntary-abortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
- wardrobe assistant — a person who assists the wardrobe mistress in a theatre
- water on the brain — hydrocephalus.
- web request broker — (web) (WRB) Part of Oracle Corporation's WebServer suite of programs. It is a high-performance, multi-threaded HTTP server which allows clients' requests to be directly translated into Oracle 7 database scripts, and automatically translates the results of the query back into HTML for delivery to the client browser.
- westinghouse brake — a railroad air brake operated by compressed air.
- what has become of — If you wonder what has become of someone or something, you wonder where they are and what has happened to them.
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.
- wingback formation — single wingback formation.
- without obligation — In advertisements, if a product or a service is available without obligation, you do not have to pay for that product or service until you have tried it and are satisfied with it.
- woe betide someone — misfortune will befall someone
- women's liberation — a movement to combat sexual discrimination and to gain full legal, economic, vocational, educational, and social rights and opportunities for women, equal to those of men.
- wood-burning stove — cooker: fueled by wood
- yerkes observatory — an astronomical observatory located in Williams Bay, Wisconsin, affiliated with the University of Chicago, and having a 40-inch (102-cm) refracting telescope, the largest refractor in the world.