Definitions

from The Century Dictionary.

  • noun In organic chemistry, a name given to compounds each molecule of which contains four methyl groups: also used as a combining form.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun organic chemistry (in combination) Four methyl groups in a molecule.

Etymologies

Sorry, no etymologies found.

Examples

  • Tetraethyl lead and tetramethyl lead were once used in the United States as gasoline additives to increase octane rating.

    Public Health Statement for Lead

  • The glycoside was converted to the hexaacetyl derivative, while permethylation only gave the tetramethyl ether, due to steric hindrance of one phenolic hydroxyl group by the sugar moiety.

    Chapter 7

  • A few chemicals found in fragrances known to be neurotoxic: hexachlorophene; acetyl-ethyl-tetramethyl-tetralin; zinc-pyridinethione;

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  • Tetraethyl lead and tetramethyl lead were once used in the United States as gasoline additives to increase octane rating.

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  • Baculovirus-expressed, nickel-nitrilotriacetic acid affinity chromatography purified 'ZP domain' of human ZP1 was employed to assess its capability to bind and subsequently induce acrosomal exocytosis in capacitated human spermatozoa using tetramethyl rhodamine isothiocyanate conjugated Pisum sativum Agglutinin in absence or presence of various pharmacological inhibitors.

    BioMed Central - Latest articles

  • Cocktail mixes of tetramethyl rhodamine (TMR) - or Cy5 - labeled probes (osk76, osk352, osk964 and osk2209) were injected at 100 ng/µl concentrations into

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