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helicity

 - 2 dictionary results
Medical Dictionary

Main Entry: he·lic·i·ty
Pronunciation: hE-'lis-&t-E
Function: noun
Inflected Form: plural -ties
1 : thequality or state of being helical helicity in a protein>
2 : the amount or degree of helical curve helicity from the aminoacid sequence>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Science Dictionary
helicity   (hə-lĭs'ĭ-tē, hē')  Pronunciation Key 
The projection of a particle's spin vector in the direction of its momentum vector, being positive if it points in the same direction, and negative if it points in the opposite direction. Helicity is in effect the handedness, or chirality, of the spin of a particle.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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