Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.


An organic compound, especially ethane, containing two methyl groups.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(daɪˈmiːθaɪl) chem
ethane, viewed as being composed of two methyl molecules(as modifier)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈɛθ eɪn)

a colorless, odorless, flammable gas, C2H6, of the methane series, present in natural gas, illuminating gas, and crude petroleum: used chiefly in organic synthesis and as a fuel gas.
[1870–75; eth (yl) + -ane]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
(Nasdaq: BIIB) today announced positive topline results from EVOLVE-MS-2, a large, randomized, double-blind, five-week, Phase 3 study of diroximel fumarate, an investigational, novel oral fumarate with a distinct chemical structure, for relapsing-remitting multiple sclerosis (RRMS), compared to TECFIDERA[R] (dimethyl fumarate).
ENPNewswire-July 31, 2019--Alkermes plc - Diroximel Fumarate Demonstrated Significantly Improved Gastrointestinal Tolerability Profile Compared to Dimethyl Fumarate in Patients with Multiple Sclerosis
Diroximel fumarate was statistically superior to dimethyl fumarate on the study's pre-specified primary endpoint, with patients treated with diroximel fumarate self-reporting significantly fewer days of key gastrointestinal symptoms with intensity scores greater than or equal to2 on the Individual Gastrointestinal Symptom and Impact Scale, as compared to dimethyl fumarate.
Police said Fabiosa sold Dimethyl Trypticase, a party drug classified as a hallucinogen, worth P200,000 to an undercover agent in front of a hotel that led to the arrests.
A private company opened a chemical plant in Iran's Markazi province to produce ammonium hydroxide dimethyl carbonate on February 3.
Summary: TEHRAN (FNA)- A private sector company opened a chemical plant in Markazi Province on Sunday to produce 'dimethyl carbonate ammonium hydroxide' for the first time in Iran.
Gaylord Chemical company, LLC is a manufacturer of dimethyl sulfide and dimethyl sulfoxide.
Reformulated skim milk with serum protein isolate contained higher concentrations of hydrogen sulfide, carbon disulfide, dimethyl sulfide, dimethyl disulfide, dimethyl trisulfide and methional, compared to micellar casein concentrate-reformulated skim milk or skim milk after DSI or IND-UP.
Several widely used exempt VOCs include, but are not limited to, acetone, methyl acetate, t-butyl acetate (TBAC), dimethyl carbonate, 2-amino-2-methyl-l-propanol (AMP), and parachlorobenzotrifluoride (PCBTF).
The degraded metabolites were similar to the control, except the absence of 1,3 dimethyl benzene and 4- phenyl but-3- ene- lyne.
However, to the best of our knowledge, no the first principle calculations of the full optimization of the five dimethyl dodecahedranes, [C.sub.20][H.sub.18][(C[H.sub.3]).sub.2] derivatives using B3LYP/6-31G(d,p), have been reported.