1. Intermediate space; an intervening agent.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• untermedium,
• jntermedium,
• kntermedium,
• ontermedium,
• 9ntermedium,
• 8ntermedium,
• ibtermedium,
• imtermedium,
• ijtermedium,
• ihtermedium,
• intermediim,
• intermeddium,
• intermeedium,
• Inturmedium,
• Intermedyum,
• intermedeum,
• Intermideum,
• Intermeadum,
• Inturmedeum,
• Inturmeedium

• intertwined,
• interminably,
• innate reflex,
• interdict,
• intermural,
• interior,
• interlude,
• intermezzo,
• interspecific,
• interbreed,
• intermarry,
• interpreting,
• interminable,
• interested,
• in theory,
• intermix,
• intermediator,
• intermittence,
• interpose,
• in terms of,
• interpreted,
• interred,
• intermission,
• interlard,
• intermediate,
• interment,
• intermit,
• intermixture,
• intermittency,
• intermingle,
• interference,
• intermediately,
• interpret,
• intercom,
• interspecies,
• interfere,
• interiorize,
• Internode,
• interlaced,
• interregnum,
• interview,
• intervene,
• intermediary,
• interpretive,
• interface,
• interlace,
• intermediation,
• interbred,
• interrupted,
• intermingled,
• intermarriage,
• intermittent,
• intercede,
• intermeshed,
• interbreeding,
• internee,
• interiorise,
• interlope.

The adjective form of the word "intermedium" is "intermediate".