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The bivalent radical CH2 derived from methane
Answer for the clue "The bivalent radical CH2 derived from methane ", 9 letters:
methylene
Word definitions for methylene in dictionaries
WordNet
Word definitions in WordNet
n. the bivalent radical CH2 derived from methane [syn: methylene group , methylene radical ]
Wiktionary
Word definitions in Wiktionary
n. 1 (context organic chemistry English) The divalent radical CH 2 < in which the free valencies are part of single bonds. 2 (context organic chemistry English) The same group, present as a repeating unit, in aliphatic compounds with names such as hexamethylenediamine. ...
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
1835, from French méthylène (1834), coined by Jean-Baptiste-André Dumas (1800-1884) and Eugène-Melchior Péligot (1811-1890) from Greek methy "wine" (see mead (n.1)) + hyle "wood" + Greek name-forming element -ene . So called because detected in wood alcohol. ...
Wikipedia
Word definitions in Wikipedia
Methylene (systematically named methylidene , and dihydridocarbon ), also called carbene is an organic compound with the chemical formula (also written ). It is a colourless gas that fluoresces in the mid-infrared range, and only persists in dilution, or ...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Methylene \Meth"yl*ene\, n. [F. m['e]thyl[`e]ne, from Gr. ? wine + ? wood; -- a word coined to correspond to the name wood spirit.] (Chem.) A divalent hydrocarbon radical, -CH2- , not known in the free state, but regarded as an essential residue and ...
Usage examples of methylene.
Such inks are made from a fine, cheap powder, of which nigrosine is used in making black inks, eosine for red, and methylene for blue ink, and they cost only a few dimes a gallon to manufacture.
These comprise most of the basic dyes, such as Thioflavine T, Safranine, Brilliant Green, Methyl Violet, Magenta, New Methylene Blue, Bismarck Brown, Rose Bengale, Phloxine, Acid Greens, Formyl Violet S 4 B, Rhodamine, Solid Blue, etc.
Can you tell me what happens to a person who paints himself with iodine and doses himself with mescal and methylene blue?
The little one reckoned that modification of eyesight was caused by molecules of methylene blue transported to the visual purple by iodine as a halogen in affinity, functioning as a carrier.