RhymeZone: siderophile definitions

Definitions of siderophile:

noun: (chemistry, geology) In the Goldschmidt classification, an element that forms alloys easily with iron and is concentrated in the Earth's core.
noun: A siderophile element, tissue, or cell.
adjective: (of a cell or tissue) Having an affinity for iron.
adjective: (geology) Having an affinity for metallic iron.

(Definitions from Wiktionary)