- methylidyne group
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/me thil"i duyn'/, Chem.the trivalent group _=CH. Also called methylidyne radical.[METHYL + -IDE + -INE2]
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Universalium. 2010.
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Universalium. 2010.
methylidyne group — /me thil i duyn /, Chem. the trivalent group =CH. Also called methylidyne radical. [METHYL + IDE + INE2] … Useful english dictionary
510-methenyltetrahydrofolate — 5,10 meth·e·nyl·tet·ra·hy·dro·fo·late (meth″ə nəl tetґrə hi″dro foґlāt) a substituted derivative of tetrahydrofolate, carrying a methylidyne group; it is formed in histidine degradation and in the interconversion… … Medical dictionary
quinazoline — kwə̇ˈnazəˌlēn, lə̇n noun ( s) Etymology: International Scientific Vocabulary quin + azole + ine; originally formed as German chinazolin : a yellow crystalline compound C8H6N2 with an odor like that of naphthalene regarded as derived from… … Useful english dictionary
Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… … Medical dictionary
organometallic compound — ▪ chemical compound Introduction any member of a class of substances containing at least one metal to carbon bond in which the carbon is part of an organic group. Organometallic compounds constitute a very large group of substances that have… … Universalium
Methine — or methylylidene (IUPAC) In chemistry, methine (also known as methylidyne or methyne) is a trivalent functional group CH, derived formally from methane. The methine group consists of a carbon atom bound by two single bonds and one double bond,… … Wikipedia
porphyrin — SYN: porphin. * * * por·phy·rin pȯr fə rən n any of various compounds with a structure that consists essentially of four pyrrole rings joined by four =CH groups esp one (as chlorophyll or hemoglobin) containing a central metal atom and usu.… … Medical dictionary
Fischer–Tropsch process — The Fischer–Tropsch process (or Fischer–Tropsch synthesis) is a set of chemical reactions that convert a mixture of carbon monoxide and hydrogen into liquid hydrocarbons. The process, a key component of gas to liquids technology, produces a… … Wikipedia