18-letter words containing r, o, t, s, b
- lincoln's birthday — February 12, a legal holiday in some states of the U.S., in honor of the birth of Abraham Lincoln.
- liquid distributor — A liquid distributor is a device which is used to spread liquid when it enters a packed column (= a tall vessel with packing, used for separating substances).
- lonely hearts club — a club for people who are trying to find a lover or a friend
- loschmidt's number — the number of molecules in one cubic centimeter of an ideal gas at standard temperature and pressure, equal to 2.687 × 10 19.
- lowell observatory — the astronomical observatory, situated in Flagstaff, Arizona, at which Pluto was discovered in 1930.
- macroinvertebrates — Plural form of macroinvertebrate.
- master boot record — (operating system, storage) A special area on a computer's main hard disk that gives the location of the disk's boot block or bootable partition where the operating system is installed.
- membrane transport — the process by which physiologically important substances, such as calcium ions, sugars, etc, are conveyed across a biological membrane
- metabolic syndrome — Pathology. a group of medical conditions present simultaneously in a patient, as high blood pressure, low HDL cholesterol levels, and an excess of abdominal fat, that increases a person's risk of heart disease, stroke, and diabetes. Also called insulin resistance syndrome.
- microinvertebrates — Plural form of microinvertebrate.
- nebular hypothesis — the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace.
- non-responsibility — the state or fact of being responsible, answerable, or accountable for something within one's power, control, or management.
- non-understandable — capable of being understood; comprehensible.
- north bedfordshire — a city in Bedfordshire, in central England.
- northeast by north — a point on the compass 11°15′ north of northeast. Abbreviation: NEbN.
- northwest by north — a point on the compass, 11°15′ north of northwest. Abbreviation: NWbN.
- one's heart bleeds — used to express sympathetic grief, but often used ironically
- oriental alabaster — alabaster (def 2).
- petite bourgeoisie — the portion of the bourgeoisie having the least wealth and lowest social status; the lower middle class.
- prepositional verb — a combination of verb and preposition, often with idiomatic meaning, differing from other phrasal verbs in that an object must always follow the preposition, as take after in The children take after their mother.
- productivity bonus — an extra payment made to workers for being more productive or yielding more favourable results than normal
- prometheus unbound — a drama in verse (1820) by Shelley.
- protease inhibitor — a drug that inhibits the action of protease, especially any of a class of antiviral drugs that prevent the cleavage and replication of HIV proteins.
- pseudotuberculosis — an acute, sometimes fatal disease of rodents, birds, and other animals, including humans, caused by the bacterium Yersinia (Pasteurella) pseudotuberculosis, and characterized by the formation of nodules resembling those that result from tuberculosis.
- rabbit's-foot fern — hare's-foot fern.
- range of stability — the angle to the perpendicular through which a vessel may be heeled without losing the ability to right itself.
- remains to be seen — If you say that it remains to be seen whether something will happen, you mean that nobody knows whether it will happen.
- row address strobe — (storage) (RAS) An input to a dynamic random-access memory (DRAM) to indicate that the row address lines are valid.
- rub shoulders with — to mix with socially or associate with
- rubbish collection — the collection of domestic refuse for disposal
- saint john's bread — carob (def 2).
- saturation bombing — intense area bombing intended to destroy everything in the target area.
- selective abortion — the aborting of particular embryos for medical or social reasons
- september holidays — a period of time in September when people do not have to go to school, college or work
- shorthand notebook — a notebook used by a shorthand writer
- sindbad the sailor — (in The Arabian Nights' Entertainments), a wealthy citizen of Baghdad who relates the adventures of his seven wonderful voyages.
- sir george gilbert — Barbara Ann, 1928–2012, Canadian figure skater.
- small pastern bone — the part of the foot of a horse, cow, etc., between the fetlock and the hoof.
- so much the better — You can say 'so much the better' or 'all the better' to indicate that it is desirable that a particular thing is used, done, or available.
- sodium bicarbonate — a white, crystalline, water-soluble solid, in powder or granules, NaHCO 3 , usually prepared by the reaction of soda ash with carbon dioxide or obtained from the intermediate product of the Solvay process by purification: used chiefly in the manufacture of sodium salts, baking powder, and beverages, as a laboratory reagent, as a fire extinguisher, and in medicine as an antacid.
- sodium tetraborate — borax1 .
- software backplane — (programming, tool) A CASE framework from Atherton.
- solomon rabinowitz — Solomon, Aleichem, Sholom.
- solubility product — the maximum number of undissociated ions, of an electrolyte in a saturated solution, capable at a given temperature of remaining in equilibrium with the undissolved phase of the solution.
- stand-by generator — an electrical system which operates automatically in case the usual system malfunctions
- stationary bicycle — an exercise bike
- stomach sweetbread — sweetbread (def 1).
- stroustrup, bjarne — Bjarne Stroustrup
- subatomic particle — physics:
- subordinate clause — a clause that modifies the principal clause or some part of it or that serves a noun function in the principal clause, as when she arrived in the sentence I was there when she arrived or that she has arrived in the sentence I doubt that she has arrived.