• WordNet 3.6
    • adj modal relating to or constituting the most frequent value in a distribution "the modal age at which American novelists reach their peak is 30"
    • adj modal relating to or expressing the mood of a verb "modal auxiliary"
    • adj modal of or relating to a musical mode; especially written in an ecclesiastical mode
    • n modal an auxiliary verb (such as `can' or `will') that is used to express modality
    • ***
Webster's Revised Unabridged Dictionary
    • Modal (Logic & Metaph) Indicating, or pertaining to, some mode of conceiving existence, or of expressing thought, such as the modes of possibility or obligation.
    • Modal Of or pertaining to a mode or mood; consisting in mode or form only; relating to form; having the form without the essence or reality.
    • Modal (Gram) Pertaining to or denoting mood.
    • ***
Century Dictionary and Cyclopedia
    • modal Pertaining to or affected by a mode; relating to the mode or manner, and not to the substance.
    • modal Specifically.
    • modal Of or pertaining to a grammatical mode.
    • n modal A modal proposition.
    • modal Of or pertaining to or having the numerical value of a statistical mode.
    • modal In petrography, in the quantitative system of classification of igneous rocks (see rock), relating to the mode.
    • modal Of or pertaining to the mode of a curve. See mode, 11.
    • modal In mathematics, most frequently occurring.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Modal relating to mode or form without reference to substance: consisting of mode only:
    • adj Modal (logic) indicating some mode of expression
    • ***


Webster's Revised Unabridged Dictionary
Cf. F. modal,. See Mode
Chambers's Twentieth Century Dictionary
Fr.,—L. modus.


In literature:

Ineluctable modality of the visible: at least that if no more, thought through my eyes.
"Ulysses" by James Joyce
But this division into three modalities or into three states is far from giving the number of the manifestations of being.
"Delsarte System of Oratory" by Various
One explanation is, from the name of its first exponent, termed Sabellianism, or, the doctrine of a Modal Trinity.
"Exposition of the Apostles Creed" by James Dodds
So I suppose they really did practise between themselves these modal gymnastics.
"Jaffery" by William J. Locke
As to Modality, propositions are divided into Pure and Modal.
"Logic" by Carveth Read
Yet a reasoned Modalism may perhaps be assumed here.
"History of Dogma, Volume 1 (of 7)" by Adolph Harnack
Further, the Logos is not cut off and separated from God, nor is he a mere modality in him.
"History of Dogma, Volume 2 (of 7)" by Adolph Harnack
Others are modal in character, such as 'What shall we do with the drunken sailor?
"The Shanty Book, Part I, Sailor Shanties" by Richard Runciman Terry
To sum up, the modalities of matter are supplied by the feminine germ.
"Reincarnation" by Th. Pascal
It is clear, he says, that the modalities of the action of the blind are explained by spatial representations.
"Essays Towards a Theory of Knowledge" by Alexander Philip
In what manner this gigantic process of social expropriation will be achieved, and under what modality, eludes all surmise.
"Woman under socialism" by August Bebel
Each line repeats the same modal class.
"A Critique of the Theory of Evolution" by Thomas Hunt Morgan
He issues orders which are instantly obeyed, helping to maintain universal modality in the country.
"The Dictator" by Milton Lesser
Really, according to Spinoza, extension is indivisible, though modally it is divisible.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 4" by Various
Assertoric > Of Modality < Existence and Non-Existence.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5" by Various
It does so; but it governs the accusative case not objectively but modally.
"The English Language" by Robert Gordon Latham
The modal length of this group was nine inches in June, 1959.
"Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas" by James Everett Deacon
The modal period for completed clutches is the first third of June.
"The Breeding Birds of Kansas" by Richard F. Johnston
For Ockham, says Haureau, an idea was but a modality of the thinking subject.
"Science and Medieval Thought" by Sir Thomas Clifford Allbutt
It cannot be too strongly insisted that the expression of modal music is a permanent artistic fact.
"Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 1" by Various

In poetry:

And by a modal artistry assemble
The very Sons of Morning, the ranked and choired
Heavens in sweet laudation of the Lord,
…….And make Saul cease to tremble.
"Saul And David" by Anthony Hecht

In news:

Complete 'multi- modal ' streets.
German Emir Sibay, Victor Braberman, Sebastian Uchitel, Jeff Kramer, "Synthesising Modal Transition Systems from Triggered Scenarios," IEEE Transactions on Software Engineering, vol 99, no.
Multi- Modal Management: It's a Group Effort.
A twist on multi- modal picking.
Commissioners reject multi- modal site.
A vote by Albany City Commissioners today likely will mean the end of a plan to construct a new multi- modal facility on a proposed site just north of the Dougherty County Courthouse.
Converting Minor Pentatonic Licks to Modal Phrases and Patterns, Part 1.
DHL Global Forwarding introduces new multi- modal service between China and Japan.
Five cold chain subject-matter experts have partnered to launch Modality Solutions LLC.
Overview of image modality combinations.
Ten years ago, Juergen Fritsch, chief scientist at Franklin, Tenn.-based M*Modal, was a postgraduate student at Carnegie Mellon, working on research for the government.
While such methods exist, they have not yet been applied to generating multi-modal behavior for NPCs .
Positron emission tomography (PET) has become an important diagnostic modality for radiologists and nuclear medicine physicians.
RSNA Syllabus for Biological Effects and Radiation Safety Associated with Imaging Modalities 2011-12.
Ultrasound is often the modality of choice for primary evaluation of renal transplants in the perioperative period and in follow-up.

In science:

This bi-modal behaviour shows no correlation with other properties such as Lfir .
The SCUBA Local Universe Galaxy Survey II. 450 micron data - evidence for cold dust in bright IRAS Galaxies
This should be possible by extending the ideas of multivalued modal logics, investigated in [25, 9, 10], by a multivalued counterparts of Since .
The temporal calculus of conditional objects and conditional events
The advantages of using balanced coordinates rather than modal coordinates reflect the sensitivity of the system to the choice of experiment.
Coarse graining and control theory model reduction
This is precisely when modal reduction is appropriate.
Coarse graining and control theory model reduction
These general cases have allowed us, for instance, to determine conditions when modal reduction is appropriate.
Coarse graining and control theory model reduction
Provided the lower bound is approximately achievable, though the reduced-order system may not be LTI, the best possible reductions must involve locally coarse graining (modally reducing) the system.
Coarse graining and control theory model reduction
Without such relations, modal reduction is not necessarily equivalent to local coarse graining.
Coarse graining and control theory model reduction
For this system, the appropriate reduction again would be a modal reduction since B and C only differ from I by a unitary transformation.
Coarse graining and control theory model reduction
It is this accessibilityrelation which determines the nature of the modal logic.
Logic-Based Specification Languages for Intelligent Software Agents
The pairing of S and R de fines a frame or structure which underpins the model of modal logic.
Logic-Based Specification Languages for Intelligent Software Agents
The models hS , R , h i and the semantics we introduced for connectives are also known as Kripke models (or structures) and Kripke semantics, respectively (Kripke 1963b; Kripke 1963a; Kripke 1965), from the name of the author who mainly contributed to developing a satisfactory semantic theory of modal logic.
Logic-Based Specification Languages for Intelligent Software Agents
Beliefs are represented by means of the modal operator B .
Logic-Based Specification Languages for Intelligent Software Agents
In the action language each primitive action a ∈ A is represented by a modality [a ].
Logic-Based Specification Languages for Intelligent Software Agents
Given a dynamic domain description (Π, S0 ), let us call L(Π,S0 ) the propositional modal logic on which (Π, S0 ) is based.
Logic-Based Specification Languages for Intelligent Software Agents
The proof procedure is sound and complete with respect to the Kripke semantics of the modal logics L(Π, S0 ).
Logic-Based Specification Languages for Intelligent Software Agents