Imponderables

Imponderables, the name given to light, heat, and electricity when they were supposed to be material substances, but without weight.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Impey, Sir Elijah * Impressionism
Imogen
Imo`la
Impanation
Impenetrability
Imperative, The Categorical
Imperial Federation
Imperial Institute
Imperialism
Impetigo
Impey, Sir Elijah
Imponderables
Impressionism
Impressment
Impropriation
Imputation
In Cæna Domini
Inachos
In-and-in
Inca
Incandescent Light
Incarnation

Nearby

Imponderables in Brewer’s Dictionary of Phrase & Fable