Ess meaning

ĕs
The letter S.
noun
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Female.

Lioness.

suffix
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Something shaped like S.
noun
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Female [lioness]
affix
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(1) (Electronic Switching System) A large-scale computer used to route telephone calls in a telephone company office. The 5ESS is a Class 5 central office switch, and the 4ESS is a Class 4 tandem office switch. The ESS designation originated with AT&T when it manufactured the machines and was the only telephone company in the U.S. See SS7, Class 4 switch, Class 5 switch and digital cross-connect.
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The ESS was the first electronic common control (ECC) circuit switch. Developed by AT&T Bell Telephone Laboratories with the assistance of Western Electric, and based on the transistor, invented at Bell Labs in 1948, the ESS involved a development effort that began in earnest in the early 1950s.The first ESS central office (CO) began service in Succasunna, New Jersey, on May 30, 1965, connecting 200 subscribers. By 1974, there were 475 such offices in service, serving 5.6 million subscribers.The development effort was estimated to involve 4,000 man-years and a total cost of $500 million. See also circuit switching, CO, and ECC.
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The name of the Latin-script letter S/s.
noun
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Something shaped like the letter S.
noun
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The letter s.
noun
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Origin of ess

  • ME -esse, -isse < OFr -esse < LL -issa < Gr
    From Webster's New World College Dictionary, 5th Edition
  • Middle English -esse from Old French from Late Latin -issa from Greek
    From American Heritage Dictionary of the English Language, 5th Edition