big-bang theory
— Navneord
– Engelsk
～ (cosmology) the theory that the universe originated sometime between 10 billion and 20 billion years ago from the cataclysmic explosion of a small volume of matter at extremely high density and temperature
Bohr theory
— Navneord
– Engelsk
～ (physics) a theory of atomic structure that combined Rutherford's model with the quantum theory; electrons orbiting a nucleus can only be in certain stationary energy states and light is emitted when electrons jump from one energy state to another
behavior therapy
— Navneord
– Engelsk
～ psychotherapy that seeks to extinguish or inhibit abnormal or maladaptive behavior by reinforcing desired behavior and extinguishing undesired behavior
Beckman thermometer
— Navneord
– Engelsk
～ a mercury thermometer that measures small differences or changes in temperature
battle of Thermopylae
— Navneord
– Engelsk
～ a famous battle in 480 BC; a Greek army under Leonidas was annihilated by the Persians who were trying to conquer Greece
Barnaby's thistle
— Navneord
– Engelsk
～ European weed having a winged stem and hairy leaves; adventive in the eastern United States
blessed thistle
— Navneord
– Engelsk
～ tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America
blessed thistle
— Navneord
– Engelsk
～ annual of Mediterranean to Portugal having hairy stems and minutely spiny-toothed leaves and large heads of yellow flowers
blue thistle
— Navneord
– Engelsk
～ a coarse prickly European weed with spikes of blue flowers; naturalized in United States
boar thistle
— Navneord
– Engelsk
～ European thistle with rather large heads and prickly leaves; extensively naturalized as a weed in the United States
bull thistle
— Navneord
– Engelsk
～ European thistle with rather large heads and prickly leaves; extensively naturalized as a weed in the United States
brook thistle
— Navneord
– Engelsk
～ of central and southwestern Europe
Benjamin Thompson
— Navneord
– Engelsk
～ English physicist (born in America) who studied heat and friction; experiments convinced him that heat is caused by moving particles (1753-1814)
brown thrasher
— Navneord
– Engelsk
～ common large songbird of eastern United States having reddish-brown plumage
bishop's throne
— Navneord
– Engelsk
～ a throne that is the official chair of a bishop
brown thrush
— Navneord
– Engelsk
～ common large songbird of eastern United States having reddish-brown plumage
Berberis thunbergii
— Navneord
– Engelsk
～ compact deciduous shrub having persistent red berries; widespread in cultivation especially for hedges
basil thyme
— Navneord
– Engelsk
～ fragrant European mint having clusters of small violet-and-white flowers; naturalized especially in eastern North America
black-legged tick
— Navneord
– Engelsk
～ parasitic on mice of genus Peromyscus and bites humans; principal vector for Lyme disease in eastern United States (especially New England); northern form was for a time known as Ixodes dammini (deer tick)
bus ticket
— Navneord
– Engelsk
～ a ticket good for a ride on a bus