agarose
a gar ose |ˈagəˌrōs, -ˌrōz ˈæɡəroʊs | ▶noun Biochemistry a substance that is the main constituent of agar and is used esp. in gels for electrophoresis. It is a polysaccharide mainly containing galactose residues.
agarose |ˈagərəʊz, -s | ▶noun [ mass noun ] Biochemistry a substance which is the main constituent of agar and is used especially in gels for electrophoresis. It is a polysaccharide mainly containing galactose residues.