testicle
A testis: the male sex and endocrine gland, found in most types of animals, that produces sperm and male sex hormones, including the steroid testosterone.
Either half of the structure that contains the testes: one side of the scrotum and its contents, considered as one object (one half of the ballsack, including its ball).

testicles
plural of testicle

testo
testosterone, especially pharmaceutical testosterone

tetanolysin
A cytolysin toxin produced by Clostridium tetani bacteria.

tetanolysins
plural of tetanolysin

tetanospasmin
Tetanus toxin.

tetanospasmins
plural of tetanospasmin

tetraacetylethane
An organic compound, prepared by oxidation of sodium acetylacetonate, that is a precursor to heterocycles and metal complexes.

tetraacetylethylenediamine
An organic compound produced by acetylation of ethylenediamine, an important component of detergents and bleaches.

tetraalkylammonium
Any alkyl quaternary ammonium ion

tetraalkylammoniums
plural of tetraalkylammonium

tetraalkynylsilane
Any silane that has four alkynyl groups

tetraalkynylsilanes
plural of tetraalkynylsilane

tetraallyl
Four allyl groups in a compound

tetraallyls
plural of tetraallyl

tetraaluminium
Four atoms of aluminium in a chemical compound.

tetraantimonide
Any antimonide containing four atoms of antimony per molecule, Sb₄.

tetraantimonides
plural of tetraantimonide

tetraarsenate
Three arsenate anions in a molecule ((ASO₄)₄)

tetraarsenic
Four arsenic atoms in a compound
The molecule that constitutes yellow arsenic. (As₄)

tetraarsenide
Alternative form of tetrarsenide.

tetraarsenides
plural of tetraarsenide

tetraaza
Four aza nitrogen atoms in a molecule.

tetraazacyclododecane
A saturated alicyclic heterocycle containing eight carbon atoms and four nitrogen atoms

tetraazamacrocycle
Any macrocycle in which four -CH₂- groups have been replaced by -NH- groups

tetraazamacrocycles
plural of tetraazamacrocycle

tetrabarium
Four barium atoms or cations in a molecule (Ba₄)

tetraberyllium
Four atoms of beryllium in a chemical compound.

tetrabismuth
Four bismuth atoms or cations in a molecule (Bi₄)

tetraborane
The borane B₄H₁₀; a foul-smelling toxic gas.

tetraborate
Any borate having four boron atoms.

tetraborates
plural of tetraborate

tetraboride
Any boride having four boron atoms

tetraborides
plural of tetraboride

tetraboron
Four boron atoms in a compound

tetrabromid
Archaic form of tetrabromide.

tetrabromide
Any bromide containing four bromine atoms in each molecule.

tetrabromides
plural of tetrabromide

tetrabromids
plural of tetrabromid

tetrabromo
Four bromo groups in a compound

tetrabromobisphenol
Any tetrabromo derivative of a bisphenol

tetrabromobisphenols
plural of tetrabromobisphenol

tetrabromoethylene
The brominated alkene CBr₂=CBr₂

tetrabromophenolphthalein
A certain phthalein dye.

tetrabutyl
Four butyl groups in a molecule

tetracaesium
Four caesium atoms or cations in a molecule (Cs₄)

tetracalcium
Four calcium atoms or ions in a compound

tetracarbene
Four carbene groups in a molecule (typically as ligands in an organometallic complex)

tetracarbide
Four carbon anions in a molecule (C₄)

tetracarbides
plural of tetracarbide

tetracarbon
Four carbon atoms in a compound

tetracenequinone
Any quinone derived from a tetracene

tetracenequinones
plural of tetracenequinone

tetrachain
A molecule with four attached chains.

tetrachlorethylene
Alternative form of tetrachloroethylene.

tetrachlorethylenes
plural of tetrachlorethylene

tetrachlorid
Archaic form of tetrachloride.

tetrachloride
any chloride containing four chlorine atoms in each molecule

tetrachlorides
plural of tetrachloride

tetrachlorids
plural of tetrachlorid

tetrachloro
Four chlorine atoms in a compound

tetrachlorocyclohexene
Any tetrachloro derivative of cyclohexene, but especially 3,4,5,6-tetrachlorocyclohexene

tetrachlorocyclohexenes
plural of tetrachlorocyclohexene

tetrachlorocyclohexenol
Any tetrachloro derivative of a cyclohexenol, but especially 2,2,6,6-tetrachlorocyclohexan-1-ol

tetrachlorocyclohexenols
plural of tetrachlorocyclohexenol

tetrachlorodibenzodioxin
A highly toxic polychlorinated dibenzo-p-dioxin with chemical formula C₁₂H₄Cl₄O₂.

tetrachlorodibenzodioxins
plural of tetrachlorodibenzodioxin

tetrachloroethylene
A liquid chlorocarbon with the formula C₂Cl₄, commonly used in dry cleaning and metal degreasing.

tetrachloroethylenes
plural of tetrachloroethylene

tetrachlorohydroquinone
The tetrachloro derivative of hydroquinone 2,3,5,6-tetrachlorobenzene-1,4-diol

tetrachloroisophthalonitrile
chlorothalonil

tetrachloromethane
Carbon tetrachloride.

tetrachlorophenolphthalein
Any tetrachloro derivative of phenolphthalein, but especially 4,5,6,7-tetrachlorophenolphthalein

tetrachlorosilane
silicon tetrachloride

tetrachord
Any set of four different pitch classes.
A series of four sounds, forming a scale of two-and-a-half tones.

tetrachords
plural of tetrachord

tetrachrome
A biological stain composed of a mixture of fast green, celestine blue and fuchsin

tetracontane
Any of very many isomers of the aliphatic hydrocarbon having forty carbon atoms, but especially n-tetracontane CH₃(CH₂)₃₈CH₃

tetracontanes
plural of tetracontane

tetracopeptide
Any polypeptide containing twenty-four peptide units

tetracopeptides
plural of tetracopeptide

tetracopper
Four atoms of copper in a chemical compound.

tetracosactide
A synthetic analogue of adrenocorticotropic hormone.

tetracosactrin
Synonym of tetracosactide.

tetracosahydrate
A hydrate whose solid contains twenty four molecules of water of crystallization per molecule, or per unit cell. 24H₂O

tetracosahydrates
plural of tetracosahydrate

tetracosene
Any of very many isomeric unsaturated aliphatic hydrocarbons that have 24 carbon atoms and one double bond

tetracosenes
plural of tetracosene

tetracyanate
A chemical compound with four cyanate groups or ions.

tetracyano
Four cyano groups in a compound

tetracyanoethylene
The unsaturated nitrile (N≡C)₂C=C(C≡N)₂ used in the manufacture of dyes

tetracyanonickelate
A chemical compound containing an anion composed of nickel and four cyanide ligands. [Ni(CN)₄]²⁻

tetracyanonickelates
plural of tetracyanonickelate

tetracyanoquinodimethane
The cyanocarbon with the chemical formula (NC)₂CC₆H₄C(CN)₂.

tetracysteine
A protein motif, that contains four cysteine residues, that binds biarsenicals

tetracysteines
plural of tetracysteine

tetradecacopper
Fourteen atoms of copper in a chemical compound (Cu₁₄).

tetradecamanganese
Fourteen atoms of manganese in a chemical compound.

tetradecamer
An oligomer having fourteen subunits.

tetradecamers
plural of tetradecamer

tetradecane
Any of very many isomers of the aliphatic hydrocarbon having fourteen carbon atoms (C₁₄H₃₀)
A petroleum fraction rich in such compounds

tetradecanes
plural of tetradecane

tetradecapeptide
An oligopeptide composed of fourteen amino acid residues

tetradecapeptides
plural of tetradecapeptide

tetradecenal
Any of several isomeric aliphatic aldehydes that have fourteen carbon atoms and one double bond

tetradecenals
plural of tetradecenal

tetradecene
Any of several isomeric aliphatic hydrocarbons that have fourteen carbon atoms and one double bond, but especially 1-tetradecene

tetradecenes
plural of tetradecene

tetradepsipeptide
A tetrameric depsipeptide

tetradepsipeptides
plural of tetradepsipeptide

tetraenol
Any aliphaticalcohol that has four double bonds
A sesquiterpenoid present in Tetraena

tetraethyl
Four ethyl groups in a molecule.

tetraethylammonium
A quaternary ammonium ion (C₂H₅)₄N⁺ containing four ethyl groups.

tetraethylammoniums
plural of tetraethylammonium

tetraethylethylenediamine
The ethylenediamine derivative (C₂H₅)₂N-CH₂CH₂-N(C₂H₅)₂.

tetraethyllead
Alternative spelling of tetraethyl lead.

tetraethylleads
plural of tetraethyllead

tetraethylpyromellitate
A chemical compound, C₁₈H₂₂O₈.

tetrafluoride
Any fluoride containing four fluorine atoms in each molecule.