1. (of furnaces) lined with material that has a high melting point

See also: refractory

• genus Sigmodon
• genus Silene
• genus Sillago
• genus Silphium
• genus Silurus
• genus Silvia
• genus Silybum
• genus Simarouba
• genus Simulium
• genus Sinanthropus
• genus Sinapis
• genus Sinningia
• genus Sinornis
• genus Siren
• genus Sison
• genus Sistrurus
• genus Sisymbrium
• genus Sisyrinchium
• genus Sitophylus
• genus Sitotroga
• genus Sitta
• genus Sium
• genus Sivapithecus
• genus Sloanea
• genus Smilax