methyl bromide

Although the gene itself stays unchanged, chemicals called methyl groups alter how that gene works.
Researchers Have Created a New Blood Test to Predict Risk of Suicide|Brandy Zadrozny|July 30, 2014|DAILY BEAST
This process, known as epigenetics, involves the addition of small chemical tags known as methyl groups to the DNA double helix.
How Famines Make Future Generations Fat|Carrie Arnold|May 11, 2014|DAILY BEAST
Just add methyl cellulose, a thickener that can withstand high temperatures.
Harvard Students Play With Food|Laura Colarusso|December 28, 2010|DAILY BEAST
He was adept at deflecting a direct question with an anecdote or a bromide presented as a confidence.
Richard Holbrooke's Brilliant Drive|Harold Evans|December 13, 2010|DAILY BEAST

In executions, that drug is pancuronium bromide, a type of curariform, or neuromuscular-blocking agent.
Executed Like a Dog|Ben Crair|November 13, 2010|DAILY BEAST
Those stains which are dissolved in methyl-alcohol combine fixation with the staining process.
A Manual of Clinical Diagnosis|James Campbell Todd
Bromide of potassium is generally recognised as the most effective anti-epileptic remedy we at present possess.
A Statistical Inquiry Into the Nature and Treatment of Epilepsy|Alexander Hughes Bennett
In brief, film is a cellulose base coated with silver bromide and gelatine.
The Wonder Book of Knowledge|Various
Now only the image-forming silver bromide particles remain, and these have been transformed to metallic silver.
The Wonder Book of Knowledge|Various
Czapek says: "The well-known methyl pentoses do not occur in the free state in plant organisms so far as we know."
Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron)|William Anderson Syme

British Dictionary definitions for methyl bromide

methyl bromide

noun

a colourless poisonous gas or volatile liquid with an odour resembling that of chloroform, used as a solvent, and extinguishant. Formula: CH 3 Br

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012