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Two-inch quadruplex videotape, the first practical and commercially successful videotape format; G-quadruplex, a four-stranded nucleic acid structure rich in guanine; C-quadruplex, a four-stranded nucleic acid structure rich in cytosine, found in I-motif DNA; Quadruplex, a building split into four apartments, similar to a duplex
Root Meaning in English Origin language Etymology (root origin) English examples quadr-four: Latin: quattuor: quadrangle, quadrennial, quadriceps, quadracycle ...
The term "duplex" is not extended to three-unit and four-unit buildings, as they would be referred to with specific terms such as three-family (or triplex [1]) and fourplex (or quadplex/quadruplex) or a more general multiplex. [2]
Quadruplex telegraphy thus implements a form of multiplexing. The technology was invented by Thomas Edison, who sold the rights to Jay Gould, the owner of the Atlantic and Pacific Telegraph Company, in 1874 for the sum of $30,000 (equivalent to $808,000 in 2023). Edison had previously been turned down by Western Union for the sale of the ...
The following is an alphabetical list of Greek and Latin roots, stems, and prefixes commonly used in the English language from P to Z. See also the lists from A to G and from H to O.
The costs would be better covered by finding a way to send more than one message at a time through the single wire, thus increasing revenue per wire. Early devices included the duplex and the quadruplex which allowed, respectively, one or two telegraph transmissions in each direction. However, an even greater number of channels was desired on ...
Abbrev. [1]Meaning [1] Latin (or Neo-Latin) origin [1]; a.c. before meals: ante cibum a.d., ad, AD right ear auris dextra a.m., am, AM morning: ante meridiem: nocte ...
Origin language and etymology Example(s) dacry(o)-of or pertaining to tears: Greek δάκρυ, tear dacryoadenitis, dacryocystitis-dactyl(o)-of or pertaining to a finger, toe Greek δάκτυλος (dáktulos), finger, toe dactylology, polydactyly: de-from, down, or away from Latin de-dehydrate, demonetize, demotion dent-of or pertaining to teeth