• WordNet 3.6
    • adj incidental following or accompanying as a consequence "an excessive growth of bureaucracy, with attendant problems","snags incidental to the changeover in management","attendant circumstances","the period of tension and consequent need for military preparedness","the ensuant response to his appeal","the resultant savings were considerable"
    • adj incidental not of prime or central importance "nonessential to the integral meanings of poetry"- Pubs.MLA"
    • adj incidental (sometimes followed by `to') minor or casual or subordinate in significance or nature or occurring as a chance concomitant or consequence "incidental expenses","the road will bring other incidental advantages","extra duties incidental to the job","labor problems incidental to a rapid expansion","confusion incidental to a quick change"
    • n incidental an item that is incidental
    • n incidental (frequently plural) an expense not budgeted or not specified "he requested reimbursement of $7 for incidental expenses"
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: Marie and Irene Curie are the only mother and daughter to win Nobel prizes with their husbands. Marie and Pierre Curie won the Physics prize in 1903. Irene and Frederic Joliot-Curie won in 1935 for chemistry. Incidentally, Marie Curie also won the 1911 Nobel Prize for chemistry.
    • n Incidental An incident; that which is incidental; esp., in the plural, an aggregate of subordinate or incidental items not particularized; as, the expense of tuition and incidentals .
    • a Incidental Happening, as an occasional event, without regularity; coming without design; casual; accidental; hence, not of prime concern; subordinate; collateral; as, an incidental conversation; an incidental occurrence; incidental expenses. "By some, religious duties . . . appear to be regarded . . . as an incidental business.""I treat either or incidentally of colors."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: Experiments conducted in Germany and at the University of Southampton in England show that even mild and incidental noises cause the pupils of the eyes to dilate. It is believed that this is why surgeons, watchmakers, and others who perform delicate manual operations are so bothered by noise. The sounds cause their pupils to change focus and blur their vision.
    • incidental Occurring, inseparably or fortuitously, in conjunction with something else, usually of greater importance; of minor importance; occasional; casual: as incidental expenses.
    • incidental Synonyms Chance, Casual, etc. See accidental.
    • n incidental Something subordinate or casual: often used in the plural to mean minor expenses.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Incidental occurring as a result, concomitant: occasional, casual
    • ***


  • H.G. Wells
    “The science hangs like a gathering fog in a valley, a fog which begins nowhere and goes nowhere, an incidental, unmeaning inconvenience to passers-by.”
  • Peace Pilgrim
    “Make food a very incidental part of your life by filling your life so full of meaningful things that you'll hardly have time to think about food.”
  • Nathaniel Hawthorne
    “Happiness in this world, when it comes, comes incidentally. Make it the object of pursuit, and it leads us a wild-goose chase, and is never attained.”
  • J. Edgar Hoover
    J. Edgar Hoover
    “Justice is incidental to law and order.”
  • Zelda Fitzgerald
    Zelda Fitzgerald
    “I don't want to live -- I want to love first, and live incidentally.”


Chambers's Twentieth Century Dictionary
Fr.,—L. incĭdensin, on, cadĕre, to fall.


In literature:

And, incidentally, this idea of giving prizes for the best-kept mess is followed throughout the service.
"Some Naval Yarns" by Mordaunt Hall
The extraordinary thing is that she can produce these impressions incidentally, and, as it were, unconsciously.
"Suspended Judgments" by John Cowper Powys
Incidentally this gave him access to temple revenues.
"Appearances" by Goldsworthy Lowes Dickinson
The incidental injury to poor commoners was not unnoticed, and became one of the topics of Cobbett's eloquence.
"The English Utilitarians, Volume I." by Leslie Stephen
A. Hobson are primarily economic and only incidentally political.
"The American Empire" by Scott Nearing
Incidentally, certain sentences threw light on individual methods of determining executive merit.
"Making People Happy" by Thompson Buchanan
I have already spoken of my experience of Mormon life, and the insight I had incidentally obtained into its hideous characteristics.
"The Wild Huntress" by Mayne Reid
Incidentally, the city would save the expense of many meals.
"The Battle with the Slum" by Jacob A. Riis
However that was an incidental matter.
"One Way Out" by William Carleton
In a relative sense it is met with, rarely and incidentally.
"Introduction to the Science of Sociology" by Robert E. Park
We must not stay to discuss incidental questions, e.g.
"A History of England Principally in the Seventeenth Century, Volume I (of 6)" by Leopold von Ranke
The book does not pretend to deal with it in other than an incidental manner.
"Australian Writers" by Desmond Byrne
Incidentally, Ralph made many friends.
"Ralph on the Overland Express" by Allen Chapman
He refers incidentally to various significant performances.
"The Life of Sir James Fitzjames Stephen, Bart., K.C.S.I." by Sir Leslie Stephen
Incidentally, cases of insanity are cured within thirty-six hours after a simple operation.
"The Goat-gland Transplantation" by Sydney B. Flower
Berlin admitted this defeat, incidentally mentioning that Turkish troops were here engaged.
"The Story of the Great War, Volume VI (of VIII)" by Various
But this advantage is merely incidental.
"College Teaching" by Paul Klapper
The advancer obligates himself to furnish only necessities and any incidentals must be supplied from sale of poultry, berries and the like.
"The Negro Farmer" by Carl Kelsey
We turn now to the incidental indications of the shifting of opinion.
"A History of Witchcraft in England from 1558 to 1718" by Wallace Notestein
He fancied they would awe Stampa, and prove incidentally how wide was his own experience.
"The Silent Barrier" by Louis Tracy

In poetry:

Columbia's children, prize, if so you will,
Your social plan, as ours to us is dear:
Yet think at least that incidental ill
May cleave to good, and guard your country here.
"The Toils Of The Voyager" by George Jehoshaphat Mountain

In news:

The beaver, incidentally, is probably the most-talked about species of furbearer when it comes to trap-shyness.
It is, incidentally, the story of an ambitious mission gone wrong.
One curveball being thrown at public speaker s, incidentally, comes from technology.
This case describes incidental findings in a 50-year-old male presenting with a fever, which earlier underwent an orthotopic liver transplant.
A novel about slavery in which race is almost incidental.
A wood scientist at Oregon State University makes the incidental discovery of a pressure sensitive adhesive made from vegetable oils, not petrochemicals.
This year, Highlands County's own Secret Santa, who incidentally is a woman, helped 10 families who had layaway accounts at Sebring's Kmart.
The Memphis coaching staff, led by manager Chris Maloney – who, incidentally, was ejected during the 5th inning last night – is protesting the scoring decision and has filed a formal appeal to the Pacific Coast League office.
(Incidentally, who are these old wives who seem so knowledgeable about everything, anyway.
Before, it was incidental -- smiling, that is.
And the direct or incidental release of pharmaceuticals into the environment.
That I had it sitting in a beach-front hotel in Santa Monica is incidental.
Nick Crow discusses indie rock and other incidental thoughts.
Incidentally, " So Long Mom" is on the next album.
A new survey of Americans' workplace spending habits shows we're dropping an awful lot on incidentals like coffee and restaurant lunches every year — $3,000 per person, on average.

In science:

Incidentally, this implies that ekℓ + eℓk and i(ekℓ + eℓk ) are two-dimensional eigenspaces3 of (ad z)2 with eigenvalue (zℓ − zk )2 .
Integrable Lattices: Random Matrices and Random Permutations
Incidentally, it appears that hri ∼ log N in the ensemble of degenerate graphs with the same Pn generated by the algorithm of Sec. 3 (see Fig. 4).
Defining statistical ensembles of random graphs
Note incidentally that the last two quantities will play an important role for our considerations as well (see below).
(In)finiteness of Spherically Symmetric Static Perfect Fluids
Note incidentally that this result could also have been obtained using the weaker I0 -criterion VII.2.
(In)finiteness of Spherically Symmetric Static Perfect Fluids
These two facts are not incidental, because of the following Proposition 4.4.
Holonomy and parallel transport in the differential geometry of the space of loops and the groupoid of generalized gauge transformations
Incidentally one may use the above coordinate formalism to verify the necessary and sufficient condition of vanishing shear in order for (null) geodesics in the rescaled spacetime to correspond to pro jected straight lines23 .
Generalizing Optical Geometry
It is interesting to note that the gravitational energy of a density (20), with fixed mass M and radius R, is minimized for κ2 = 1/3 (this is incidentally very close Earth’s value).
The physics of rotational flattening and the point core model
In Penon’s theory omega magmas are incidental, simply stepping stones on the way to the construction of a monad on the category of reflexive, globular sets whose algebras are his weak omega categories.
Weak Omega Categories I
Two incidental remarks about rigidity. (1): There is also the worry that perfect rigidity violates relativity’s prohibition on faster-than-light signals.
On the Persistence of Homogeneous Matter
Incidentally, this is the same behavior observed numerically in random ferro- and antiferromagnetic spin chains .
Random Antiferromagnetic SU(N) Spin Chains
This matrix will be of the form x   It is easy to see that the above matrix, which incidentally is a symmetric Toeplitz matrix , satisfies the condition s given by Equations 1 and 2.
A Framework for High-Accuracy Privacy-Preserving Mining
Incidentally, this hypothesis, Eq. (103), excludes rare events that may lead to Griffiths’ singularity.
Directed polymers and Randomness
Incidentally, I guess that the said correlations might be related to Bose statistics, but this point will not be discussed further here.
On a heuristic point of view concerning the motion of matter. From random metric to Schroedinger equation
However, incidentally we are also interested in showing the underlying linkage existing between the Ashtekar formalism and the Hamiltonian Poincar´e Gauge Theory (PGT) discussed by us in previous works .
Towards a general solution of the Hamiltonian constraints of General Relativity
Incidentally, the four infrared-active vibrations of C60 also show T1u symmetry, therefore the discussion can proceed along the same lines.
Static and dynamic Jahn-Teller effect in the alkali metal fulleride salts A4C60 (A = K, Rb, Cs)