sigma in English

noun

1

the eighteenth letter of the Greek alphabet ( Σ , σ ), transliterated as ‘s.’.

He coined this latter term and employed the Greek letter lower case sigma to denote its population parameter.

2

the eighteenth star in a constellation.

Sigma Octantis

3

relating to or denoting an electron or orbital with zero angular momentum around an internuclear axis.

These conical intersections are fundamentally different from the ‘H-vinyl’ structures found in simple alkenes because they involve the interaction of four sigma electrons, as opposed to two pi electrons and two sigma electrons.

1

mathematical sum.

Use "sigma" in a sentence

1. Delta-sigma modulator

2. Sigma delta modulator

3. Delta sigma modulator

4. Sigma-delta modulator

5. Broadband sigma-delta modulator

6. Vers,MA)andmonoclonalantibodyagainst -Actinfrom Sigma

7. Sigma delta modulator with dither

8. Search results for Carboy at Sigma-Aldrich

9. Search results for Aliquot at Sigma-Aldrich

10. Website for Sigma Gamma Phi, Arethusa Sorority

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14. Search results for Cytochromes at Sigma-Aldrich

15. Sigma-Aldrich Online Catalog Product List: Bromination

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19. The Bluprint – Phi Beta Sigma Fraternity, Inc

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24. Process Capability uses the process sigma value determined from either the Moving Range, Range or Sigma control charts

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26. Sigma-Aldrich Online Catalog Product List: Borides

27. Sigma-Aldrich Online Catalog Product List: Boranes

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34. Delta-sigma modulator with feed-forward path

35. Automatic gain control for delta-sigma modulator

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42. Sigma-Aldrich offers a number of Adenosine products

43. Sigma-Aldrich offers a number of Acrylonitrile products

44. The Abundancy of a number n is defined as the ratio sigma(n)/n, where sigma(n) is the divisor function

45. Search results for pH Boffers at Sigma-Aldrich

46. Search results for Butylene glycol at Sigma-Aldrich

47. Search results for benzyl Bromides at Sigma-Aldrich

48. Sigma-Aldrich offers a number of Acetaldehyde products

49. Search results for Acide acetique at Sigma-Aldrich

50. Sigma-Aldrich offers a number of Acrylamide products