galactin

from The Century Dictionary.

• noun An amorphous substance, C₆H₁₀O₅ (α-galactin), which is obtained from the seeds of certain legumes.

from the GNU version of the Collaborative International Dictionary of English.

• noun An amorphous, gelatinous substance containing nitrogen, found in milk and other animal fluids. It resembles peptone, and is variously regarded as a coagulating or emulsifying agent.
• noun A white waxy substance found in the sap of the South American cow tree (Galactodendron).
• noun An amorphous, gummy carbohydrate resembling gelose, found in the seeds of leguminous plants, and yielding on decomposition several sugars, including galactose.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun chemistry An amorphous, gelatinous substance containing nitrogen, found in milk and other animal fluids. It resembles peptone, and is variously regarded as a coagulating or emulsifying agent.
• noun A white waxy substance found in the sap of the South American cow tree (Galactodendron).
• noun An amorphous, gummy carbohydrate resembling gelose, found in the seeds of leguminous plants, and yielding on decomposition several sugars, including galactose.