noun
definition
The seventh letter of the Modern Greek alphabet, the eighth in Old Greek.
definition
A kind of electrically neutral meson having zero spin and isospin.
Examples of eta in a Sentence
That is Japanese poetry (eta or tanka).
The symbol 9 or H was then employed for the long open e-sound, a use suggested by the name of the letter, which, by the loss of the aspirate, had passed from Heta to Eta.
Improved customer service - provide accurate ETA's and assign drivers to nearest job.
The Popular Party's government also managed to sharply curtail the terrorist activities of the Basque pro-independence ETA group.
Hilary Hillman I am a member of the Basque separatist movement called ETA.
The largest is the aodaisho (Eta phis virgatus), which sometimes attains a length of 5 ft., but is quite harmless.
Such couplets were called shi to distinguish them from the pure Japanese eta or lanka.