15-letter words containing tr
- australian alps — a mountain range in SE Australia, in E Victoria and SE New South Wales. Highest peak: Mount Kosciuszko, 2195 m (7316 ft)
- australian mist — a breed of medium-sized cat with a short spotted or marbled coat
- australian pine — casuarina
- austria-hungary — the Dual Monarchy established in 1867, consisting of what are now Austria, Hungary, the Czech Republic, Slovakia, Slovenia, Croatia, and Bosnia-Herzegovina, and parts of Poland, Romania, Ukraine, and Italy. The empire was broken up after World War I
- autodestructive — likely to cause one's own destruction
- autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
- autotransformer — a transformer in which part of the winding is common to both primary and secondary circuits
- autotransfusion — a process in which a patient receives some of his or her own blood in a transfusion rather than a donor's blood
- autotransplants — Plural form of autotransplant.
- autotrophically — through an autotrophic process
- avant la lettre — before the (specified) concept, word, person, etc. existed
- balance control — a state of equilibrium or equipoise; equal distribution of weight, amount, etc.
- ballet mistress — a woman who teaches and rehearses the dancers in a ballet company
- barycentrically — In a barycentric manner.
- bathymetrically — In a bathymetric way.
- bayeux tapestry — an 11th- or 12th-century embroidery in Bayeux, nearly 70.5 m (231 ft) long by 50 cm (20 inches) high, depicting the Norman conquest of England
- beef stroganoff — a dish of thin strips of beef cooked with onions, mushrooms, and seasonings, served in a sour-cream sauce
- beetroot purple — a deep purple-red; a purple pigment derived from beets.
- bernoulli trial — one of a sequence of independent experiments each of which has the same probability of success, such as successive throws of a die, the outcome of which is described by a binomial distribution
- bilateral trade — a system of trading between two countries in which each country attempts to balance its trade with that of the other
- bioastronautics — the study of the effects of space flight on living organisms
- biodestructible — biodegradable
- biogeochemistry — the science of biological, chemical, and geological aspects of the environment
- biostratigraphy — the examination of the ages of rock strata by using fossils
- birch partridge — ruffed grouse
- birthing centre — a private maternity hospital
- blank cartridge — a cartridge containing powder but no bullet: used in battle practice or as a signal
- blessed trinity — Trinity (def 1).
- boa constrictor — A boa constrictor is a large snake that kills animals by wrapping itself round their bodies and squeezing them to death. Boa constrictors are found mainly in South and Central America and the West Indies.
- boustrophedonic — of or relating to lines written in opposite directions
- bowstring truss — a structural truss consisting of a curved top chord meeting a bottom chord at each end.
- breach of trust — a violation of duty by a trustee or any other person in a fiduciary position
- break and entry — breaking and entering.
- breaking strain — the amount of strain that, if applied to a particular material, will cause it to break
- building trades — the trades and professions concerned with the creation and finishing of buildings, such as carpenters, plasterers, masons, electricians, etc.
- buried treasure — A surprising piece of code found in some program. While usually not wrong, it tends to vary from crufty to bletcherous, and has lain undiscovered only because it was functionally correct, however horrible it is. Used sarcastically, because what is found is anything *but* treasure. Buried treasure almost always needs to be dug up and removed. "I just found that the scheduler sorts its queue using bubble sort! Buried treasure!"
- business centre — a place providing office facilities and services
- butler's pantry — a pantry in a large house where crockery, glassware, cutlery, etc is kept
- buttress thread — a screw thread having one flank that is vertical while the other is inclined, and a flat top and bottom: used in machine tools and designed to withstand heavy thrust in one direction
- calcium citrate — the calcium salt of citric acid, used as a food additive
- calcium nitrate — a white, deliquescent solid, Ca(NO 3) 2 , used chiefly in the manufacture of fertilizers, fireworks, matches, and explosives.
- camelback truss — a roof truss having upper and lower chords curving upward from a common point at each side.
- cannonball tree — a South American tree, Couroupita guianensis, bearing round, woody-husked fruit whose shells are used to make containers and utensils.
- car transporter — a vehicle for carrying automobiles
- cartridge brass — brass composed of about 70 percent copper and 30 percent zinc.
- cartridge paper — an uncoated type of drawing or printing paper, usually made from bleached sulphate wood pulp with an addition of esparto grass
- casparian strip — a band of suberized material around the radial walls of endodermal cells: impervious to gases and liquids
- castrametations — Plural form of castrametation.
- catastrophising — Present participle of catastrophise.
- catastrophizing — Present participle of catastrophize.