silicone gel http://purl.bioontology.org/ontology/MESH/D020034 Synthetic organosiloxane gels that are formed from synthetic polymers of silicone oxide with organic sidechains (polydimethylsiloxane) by lengthening the polymer chains. Unlike silicone elastomers, they are not treated with amorphous silica. They are used as fillers in breast implants. sil silicone gels silicone polymer Transgender slang, slurs, and controversial words