sulphuric
World English Dictionary
sulphur or sulfur (ˈsʌlfə) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| a. an allotropic nonmetallic element, occurring free in volcanic regions and in combined state in gypsum, pyrite, and galena. The stable yellow rhombic form converts on heating to monoclinic needles. It is used in the production of sulphuric acid, in the vulcanization of rubber, and in fungicides. Symbol: S; atomic no: 16; atomic wt: 32.066; valency: 2, 4, or 6; relative density: 2.07 (rhombic), 1.957 (monoclinic); melting pt: 115.22°C (rhombic), 119.0°C (monoclinic); boiling pt: 444.674°CRelated: thionic | |
| b. (as modifier): sulphur springs | |
| Related: thionic | |
| [C14 soufre, from Old French, from Latin sulfur] | |
| sulfur or sulfur | |
| —n | |
| Related: thionic | |
| [C14 soufre, from Old French, from Latin sulfur] | |
| sulphuric or sulfur | |
| —adj | |
| sulfuric or sulfur | |
| —adj | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
WordNet
| sulphuric | |
adjective | |
| of or relating to or containing sulfur; "sulphuric esters" |
WordNet® 3.0, © 2006 by Princeton University.
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00:10
Sulphuric
is always a great word to know.
So is gobo. Does it mean:
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
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