American Heritage® Dictionary of the English Language, Fourth Edition
- n. An organic compound in which the hydrogen of the hydroxyl group of methyl alcohol is replaced by a metal.
- v. To mix or combine with methyl alcohol.
- v. To combine with the methyl radical.
Century Dictionary and Cyclopedia
- To mix or impregnate with methylic alcohol or methyl.
- To substitute in (a compound) the methyl radical -CH3, for an equivalent of some other radical or element.
- n. A derivative of methyl alcohol.
- v. To add, or treat with methyl alcohol (see methylated spirits)
- v. organic chemistry To add a methyl group to a compound
- v. biochemistry To add a methyl group to a nucleic acid as part of the process of gene expression
- n. chemistry The anion -O-CH3- derived from methanol by loss of a proton; any salt containing this anion
GNU Webster's 1913
- n. (Chem.) An alcoholate of methyl alcohol in which the hydroxyl hydrogen is replaced by a metal, after the analogy of a hydrate.
- v. To impregnate or mix with methyl or methyl alcohol.
“We purify the oil through a chemical process that uses methanol and sodium methylate to strip the glycerin out of the oil," Baker said.”
“Especially while offspring are in utero, what their mothers do—or eat—can “methylate” particular genes in the offspring, changing how those genes behave.”
“Mercury in these consumers likely originates from estuaries, where conditions are conducive for bacteria to methylate mercury, or from the open ocean, where regions called the oxygen minimum zone appear to have water chemistry that is favorable for methylation.”
“All the biochemical steps along the way have to work in order for you to methylate and to sulfate, which is the process by which your body produces glutathione, the mother of all detoxifiers and antioxidants.”
“The explanation is that there is so much sulfide in the sediments as a result of years of accumulating wastes from sewage treatment plants, that the mercury is tightly bound to sulfide and not available for the bacteria to methylate.”
“Last night, however, I managed to secure and methylate a good-sized scorpion.”
“On the evening of the 5th of October a small snake and several very large scorpions came crawling about us as we sat round the fire; we managed to bottle the scorpions, but though we wounded the snake it escaped; I was very anxious to methylate him also, but it appeared he had other ideas, and I should not be at all surprised if a pressing interview with his undertaker was one of them.”
“PRC2 can then methylate chromatin, preventing the activation of developmental regulator genes that would otherwise act to alter the identity of the cell.”
“That mutation causes the cell to methylate a regulatory region of the FMR1 gene.”
“(R, S) - AdoMet and using it to methylate homocysteine to form methionine.”
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