separable extension

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separable extension

[′sep·rə·bəl ik′sten·chən]
(mathematics)
A field extension K of a field F is separable if every element of K is a root of a separable polynomial whose coefficients are elements of F.
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Vikrant Gandhi, Strategic Industry Analyst in Mobile Communications for Frost & Sullivan, an analyst firm based in Palo Alto, California, commented, "Cell phones are fast becoming an inseparable extension of teens and young adults today; using text to reach each other on their phones is an important form of social communication.