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Designating a sulfur compound in which sulfur has a valence of +4 compared with sulfuric compounds in which sulfur has a valence of +6, or sulfides (-2).
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
DGO2 and DGO3 were initially set to confirm the impact of lowering viscosity from DGO1 and the impact of the sulfurous EP agent.
Sulfurous compounds at low concentrations may cause a perceived "minerality" in some wines.
Each egg-stinking, sulfurous shot fouls your barrel, which should ideally be cleaned after every firing.
It should be noted that sulfurous mineral waters were also discovered at Bezdead, Varfuri and Sultanu, but these are not yet used.
Sailors and artillery-men of old must have loathed the sulfurous, biting clouds of blackpowder smoke, knowing it would take hours and untold amounts of elbow grease to clean their big guns.
During sulfur combustion, [SO.sub.2] is produced by the combination of sulfur and oxygen, and sulfurous acid is generated by the combination of [SO.sub.2] and water molecule (Fig.
This crude biogas was cleaned of sulfurous compounds and initially used to fire combustion turbines spinning generators to make electricity.
The sudden rise in the availability of light (often sweet) crude oils from shale formations, coupled with the big expansion in processing capacity for heavier (more sulfurous) feedstock, has sharply narrowed the price discounts for heavier crudes, as more refineries chase heavy oils and residuum to keep their cokers busy.
"The sulfurous smell given off by the putrefied egg mimics the smell of rotting meat, giving deer the impression there is a predator in the vicinity," says Scott Williams, an assistant scientist for the Connecticut Department of Forestry and Horticulture and co-author of the study.
Sulfurous volatiles emitted by plants play a role in chemical defense (Rouseff et al.
In Odorless Rot, 2011, the cloud is sulfurous yellow, given depth by sponged-on black paint that carves out eye holes and a mouth.