(UK, obsolete, mining) A bed or stratum of some mineral. / (UK, regional) Gritty or coarse rock; especially Portland stone or similar limestone.

plural of co

A yellowish brown colour, like that of bronze.

A class of glycosphingolipids containing the sequence Galβ(1,3)Galβ(1,4)Galβ(1,4)Glcβ-Cer (galactose, galactose, galactose, glucose, ceramide)