English Words: T

A group of four letters.

Of or relating to a tetragraph.

Any halide having four halogen atoms

Any of a group of fully halogenated methane derivatives of general formula CBrₖClₗFₘIₙ.

Of, relating to, or having the shape of a tetrahedron.

A number which results from the summation of consecutive triangular numbers, starting from 1. If the triangular numbers in such a summation are depicted as horizontal triangular arrays of units then these arrays can be stacked vertically to yield a tetrahedral array.

Alternative spelling of tetrahedralizable.

The quality of being tetrahedral.

That can be divided into tetrahedra.

Conversion to tetrahedral form

To convert to tetrahedrons.

In a tetrahedral manner; arranged in tetrahedrons.

A complex ore of copper, a mixed sulfide of copper, iron, zinc, silver and antimony.

A polyhedron with four faces; the regular tetrahedron, the faces of which are equal equilateral triangles, is one of the Platonic solids.

Composed of four helices (especially of a nucleic acid fold, or of a protein)

A helix formed from tetrahedra linked face to face.

Four heme groups in a hemoprotein

A concave uniform polyhedron with four triangular faces, three square faces, twelve edges and six vertices.

A polyhex composed of four hexagons

Pertaining to a tetrahexahedron.

A tetrakis hexahedron

A hydrate whose solid contains four molecules of water of crystallization per molecule, or per formula unit

Having four hydroxy groups

Any hydride containing four atoms of hydrogen per molecule

Four hydrogen atom substituents in a molecule

A naturally-occurring nutrient and essential cofactor of the three aromatic amino acid hydroxylase enzymes, used in the biosynthesis of the neurotransmitters serotonin, melatonin, dopamine, norepinephrine, epinephrine, and nitric oxide.

The anion BH₄⁻ or any salt containing this ion; they are used extensively in organic synthesis.

The psychoactive substance present in cannabis, a hydrogenated derivative of cannabinol.

A non-psychoactive cannabinoid found naturally in Cannabis sativa; an analogue of tetrahydrocannabinol with the sidechain shortened by two CH₂.

Synonym of tetrahydrocannabivarin.

Any compound containing four hydrochloride groups

A particular steroid.

The conjugate base of, or any salt or ester of, tetrahydrofolic acid; it is a coenzyme, formed by reduction of folic acid, involved in the biosynthesis of purines.

A heterocyclic ether having a five-membered ring with four carbon atoms and one oxygen; it is a colourless liquid with an ether-like smell, and is used as a polar solvent.

Modified by the addition of four hydrogen atoms.

A banned anabolic steroid, C₂₁H₂₈O₂.

The chemical compound C₁₃H₁₆N₂O.

The drug orlistat.

Any bicyclic hydrocarbon formally derived from naphthalene by the addition of four hydrogen atoms across two of its double bonds, but especially 1,2,3,4-tetrahydronaphthalene (tetralin).

A neuroactive alkaloid with analgesic and hypnotic action.

An organic compound, specifically a benzylisoquinoline alkaloid, that serves as a precursor to the muscle relaxant drugs atracurium and cisatracurium.

Synonym of norlaudanosoline.

Any of three isomeric, six-membered, unsaturated heterocycles having five carbon atoms, one nitrogen atom and one double bond; any derivative of these compounds

Pyrrolidine.

A saturated, five-membered heterocycle containing one atom of sulfur; it is added to natural gas to provide it with a detectable smell.

Four hydroxy groups in a molecule

The anion B(OH)₄⁻ obtained by the reaction of hydroxide with boric acid; any salt containing this ion

A synthetic derivative of ethylenediamine containing four hydroxyl groups and a C₂H₅ radical used in the preparation of detergents, emulsifiers, resins, plasticizers, toxicants, chelating agents, germicides, de-emulsifiers, and pharmaceuticals.

hydroxylated with four hydroxyl groups

A derivative of imidazoline used in eye drops and nasal sprays.