| sildenafil |
A substance that is used to treat erectile dysfunction. Sildenafil relaxes the smooth muscle of the penis to allow increased blood flow and erection. It belongs to the family of drugs called phosphodiesterase inhibitors. Also called Viagra.
출처: www.stjude.org/glossary
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| silhouette |
A photo where the background has been removed, leaving only the main subject; also called a cutout.
출처: highered.mcgraw-hill.com/sites/0072407611/student_...
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| silver iodide |
An inorganic chemical compound, AgI, that has a crystalline structure (symmetry; lattice spacing) similar to ice and a very low solubility in water, and can be easily generated as an aerosol. It was discovered by Bernard Vonnegut in 1947 after a search of the crystallographic tables as an effective nucleating agent for supercooled water. ...
출처: amsglossary.allenpress.com/glossary/browse
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| silencer |
A DNA sequence that helps to reduce or shut off the expression of a nearby gene.
출처: www.fao.org/docrep/003/X3910E/X3910E22.htm
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| silicone |
a group of compounds of silicon and oxygen; commonly used as implants in cosmetic surgery because they resist body fluids and are not rejected by the body
출처: www.american-depot.com/services/resources_gl_s.asp
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