FAT n.
hem.), the series of the paraffine hydrocarbons and their derivatives; the marsh gas or methane series. -- Natural fats (Chem.), the group of oily substances of natural occurrence, as butter, lard, tallow, etc., as distinguished from certain fatlike substance of artificial production, as paraffin. Most natural fats ar…
FENNEL n.
Goodrich. Azorean, or Sweet, fennel, (Fæniculum dulce). It is a smaller and stouter plant than the common fennel, and is used as a pot herb. -- Dog's fennel (Anthemis Cotula), a foul-smelling European weed; -- called also mayweed. -- Fennel flower (Bot.), an herb (Nigella) of the Buttercup family, having leaves finel…
FERRIC a.
g iron. Specifically (Chem.), denoting those compounds in which iron has a higher valence than in the ferrous compounds; as, ferric oxide; ferric acid. Ferric acid (Chem.), an acid, H2FeO4, which is not known in the free state, but forms definite salts, analogous to the chromates and sulphates. -- Ferric oxide (Chem.)…