tetrahedron
— Navneord
– Engelsk
~ any polyhedron having four plane faces
tetrahydrocannabinol
— Navneord
– Engelsk
~ psychoactive substance present in marijuana
tetrahymena
— Navneord
– Engelsk
~ relative of the paramecium; often used in genetics research
tetraiodothyronine
— Navneord
– Engelsk
~ hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells; "thyroxine is 65% iodine"
tetralogy of Fallot
— Navneord
– Engelsk
~ a congenital heart defect producing cyanosis; characterized by four symptoms: pulmonary stenosis and ventricular septal defect and malposition of the aorta over both ventricles and hypertrophy of the right ventricle
tetralogy
— Navneord
– Engelsk
~ a series of four related works (plays or operas or novels)
tetramerous
— Tillægsord
– Engelsk
~ having or consisting of four similar parts; tetramerous flowers
tetrameter
— Navneord
– Engelsk
~ a verse line having four metrical feet
tetramethyldiarsine
— Navneord
– Engelsk
~ a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air
tetrametric
— Tillægsord
– Engelsk
~ of or relating to verse lines written in tetrameter
Tetraneuris grandiflora
— Navneord
– Engelsk
~ whitish hairy plant with featherlike leaves and a few stout stems each bearing an especially handsome solitary large yellow flower head; mountainous regions north central United States
Tetraneuris acaulis
— Navneord
– Engelsk
~ perennial having tufted basal leaves and short leafless stalks each bearing a solitary yellow flower head; dry hillsides and plains of west central North America
Tetraneuris
— Navneord
– Engelsk
~ genus of hairy yellow-flowered plants of the western United States
tetranychid
— Navneord
– Engelsk
~ web-spinning mite that attacks garden plants and fruit trees
tetranychidae
— Navneord
– Engelsk
~ plant-feeding mites
Tetrao
— Navneord
– Engelsk
~ type genus of the Tetraonidae: capercaillies