What word was coined by Charles Richet to denote a substance or spiritual energy "exteriorised" by physical mediums, said to be associated with formation of ghosts?
The ans is - Ectoplasm
What word, originally applied to a large, flawless diamond, is now used to denote a model of excellence or perfection of any kind?
What word was coined in the 20th century for persistent mishearing and/or misunderstanding of a commonly known group of words?
