As a proper noun smith

is (the most common in britain, the united states, canada, australia, and new zealand).

As a noun ironsmithing is

the work of an iron smith (or blacksmith).

As nouns the difference between blacksmith and ironsmithing

is that blacksmith is a person who forges iron while ironsmithing is the work of an iron smith (or blacksmith).

As nouns the difference between iron and ironworking

is that iron is pencil while ironworking is the making of useful or decorative items from iron.

As nouns the difference between metallurgy and ironworking

is that metallurgy is the science of metals; their extraction from ores, purification and alloying, heat treatment, and working while ironworking is the making of useful or decorative items from iron.

As a noun isonicotine

is (organic compound) a crystalline nitrogenous base, c₁₀h₁₄n₂, isomeric with nicotine.

As an adjective isonicotinic is

of or pertaining to isonicotine.

Iprgc is likely misspelled.

Iprgc has no English definition.

As an adjective retinal

is of or pertaining to the retina.

As a noun retinal

is one of several yellow or red carotenoid pigments formed from rhodopsin by the action of light; retinene.

As a noun ganglion

is ganglion.

As a noun cell

is a single-room dwelling for a hermit or cell can be (us|informal) a cellular phone.

As a verb cell

is to place or enclose in a cell.

As nouns the difference between iron and ironmaking

is that iron is pencil while ironmaking is the making of iron (from an ore).

As nouns the difference between iron and ironsmithing

is that iron is pencil while ironsmithing is the work of an iron smith (or blacksmith).