Definitions
from The Century Dictionary.
- noun A substituted ammonia in which the three hydrogen atoms are replaced by methyl, N(CH3)3.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) A colorless volatile alkaline liquid, N.(CH3)3, obtained from herring brine, beet roots, etc., with a characteristic herringlike odor. It is regarded as a substituted ammonia containing three methyl groups.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry The
tertiary amine (CH3)3N; a colourless gas with a fishy smell that is a product of animal and vegetable decomposition.
Etymologies
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Examples
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It consists in submitting to the action of heat the hydrochlorate of trimethylamine, which is obtained as a by-product in the manufacture of potash of beets.
Scientific American Supplement, No. 358, November 11, 1882 Various
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The whole plant is sprinkled over with the white, pellucid meal, and contains much "trimethylamine," together with osmazome, and nitrate of potash; also it gives off free ammonia.
Herbal Simples Approved for Modern Uses of Cure William Thomas Fernie
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They make fish inedible in a fraction of the time they take to spoil beef or pork, by consuming the savory free amino acids and then proteins and turning them into obnoxious nitrogen-containing substances (ammonia, trimethylamine, indole, skatole, putrescine, cadaverine) and sulfur compounds (hydrogen sulfide, skunky methanethiol).
On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004
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They make fish inedible in a fraction of the time they take to spoil beef or pork, by consuming the savory free amino acids and then proteins and turning them into obnoxious nitrogen-containing substances (ammonia, trimethylamine, indole, skatole, putrescine, cadaverine) and sulfur compounds (hydrogen sulfide, skunky methanethiol).
On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004
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Finfish contain some, but also rely on a largely tasteless amine called TMAO trimethylamine oxide.
On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004
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The amino acids can in turn be broken into various amines, some of which are reminiscent of ocean fish (trimethylamine), others of spoiling meat (putrescine); into strong sulfur compounds (a specialty of smear bacteria), or into simple ammonia, a powerful aroma that in overripened cheeses is harsh, like household cleaner.
On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004
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The amino acids can in turn be broken into various amines, some of which are reminiscent of ocean fish (trimethylamine), others of spoiling meat (putrescine); into strong sulfur compounds (a specialty of smear bacteria), or into simple ammonia, a powerful aroma that in overripened cheeses is harsh, like household cleaner.
On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004
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Finfish contain some, but also rely on a largely tasteless amine called TMAO trimethylamine oxide.
On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004
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The problem with TMAO and urea is that once the fish are killed, bacteria and fish enzymes convert the former into stinky TMA trimethylamine and the latter into kitchen-cleanser ammonia.
On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004
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The problem with TMAO and urea is that once the fish are killed, bacteria and fish enzymes convert the former into stinky TMA trimethylamine and the latter into kitchen-cleanser ammonia.
On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004
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Kári Stefánsson at Icelandic genomics firm deCODE Genetics and his colleagues have identified a gene, TAAR5, that affects how people perceive odours containing trimethylamine, a compound found in rotten and fermented fish.
Rotten fish smell sweeter if you have a specific genetic mutation #author.fullName} 2020
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