• Webster's Revised Unabridged Dictionary
    • n Etacism (Greek Gram) The pronunciation of the Greek η (eta) like the Italian e long, that is like a in the English word ate. See Itacism.
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Century Dictionary and Cyclopedia
    • n etacism The Erasmian pronunciation of ancient Greek, characterized by giving the letter η its ancient sound of a in mate or ey in they: opposed to iotacism, the Reuchlinian and modern Greek method, which gives to η and to some other vowels and some diphthongs the sound of e in be or i in machine.
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Webster's Revised Unabridged Dictionary
Gr. the letter , . Cf. Itacism


In literature:

Graeme led them down the face of the cliff fronting L'Etac, the great rock island that was once a part of Little Sark itself.
"Pearl of Pearl Island" by John Oxenham

In science:

Moreover {etAc } is a group on Hc and there exist pro jections Πc and Πs such that Πc + Πs = I dH , Ac = A|ImΠc and As = A|ImΠs .
A dynamical approximation for stochastic partial differential equations