modality

[moh-dal-i-tee]
noun, plural modalities.
1.
the quality or state of being modal.
2.
an attribute or circumstance that denotes mode or manner.
3.
Also called mode. Logic. the classification of propositions according to whether they are contingently true or false, possible, impossible, or necessary.
4.
Medicine/Medical. the application of a therapeutic agent, usually a physical therapeutic agent.
5.
one of the primary forms of sensation, as vision or touch.

Origin:
1610–20; < Medieval Latin modālitās. See modal, -ity

multimodality, noun
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World English Dictionary
modality (məʊˈdælɪtɪ)
 
n , pl -ties
1.  the condition of being modal
2.  a quality, attribute, or circumstance that denotes mode, mood, or manner
3.  logic the property of a statement of being classified under one of the concepts studied by modal logic, esp necessity or possibility
4.  any physical or electrical therapeutic method or agency
5.  any of the five senses

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

modality
1610s, from M.L. modalitas, from modalis (see modal). Related: Modalities.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

modality mo·dal·i·ty (mō-dāl'ĭ-tē)
n.

  1. A therapeutic method or agent, such as surgery, chemotherapy, or electrotherapy, that involves the physical treatment of a disorder.

  2. Any of the various types of sensation, such as vision or hearing.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Consumers have a right to know the merits of these modalities from grown-up,
  nonbiased researchers.
Teachers should also be up to date on different modalities and incorporate it
  if it's useful.
In other terms, money leaves government and returns as tax in its various
  modalities.
The other line of research is to try to see what sensory modalities are
  involved.
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