[k_ˈa_l_k_j_ʊ_l_ə_s], [kˈalkjʊləs], [kˈalkjʊləs]
Definitions of calculus

an incrustation that forms on the teeth and gums

the branch of mathematics that is concerned with limits and with the differentiation and integration of functions

a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body; " renal calculi can be very painful"

Any solid concretion, formed in any part of the body, but most frequent in the organs that act as reservoirs, and in the passages connected with them; as, biliary calculi; urinary calculi, etc.

A method of computation; any process of reasoning by the use of symbols; any branch of mathematics that may involve calculation.

An abnormal concretion occurring mostly in the urinary and biliary tracts, usually composed of mineral salts. Also called stones.

A branch of higher mathematics; a hard substance sometimes formed in the kidneys or bladder.

One of the higher branches of mathematics: a stone like concretion which forms in certain parts of the body.

A stone like concretion. as in the bladder.

A method of calculating by algebraic symbols.

A morbid concretion of a hard or stony consistence formed in different organs of the body; a method of calculating. Differential calculus, the method of differencing quantities, or of finding an infinitely small quantity, which, being taken an infinite number of times, shall be equal to a given quantity. The exponential calculus, a method of finding and summing up the differentials of exponential quantities. Integral calculus, a method of integrating or summing up differential quantities. Literal calculus, algebra.

In surg., the stone in the bladder; a part of the mathematics.
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Usage examples for calculus

I am preparing a new and very special edition of my friend Professor Daniel Murray's work on the Calculus. – Moonbeams From the Larger Lunacy by Stephen Leacock

By the end of the second week you have become indifferent to the whole matter and simply take your hominy and honey as a matter of course, trying to think nothing about it and interesting yourself as much as possible in calculus, generator design, strength of materials, and other things that an engineering student has to study. – Analyzing Character by Katherine M. H. Blackford and Arthur Newcomb

And here precisely is that which constitutes the inflexible rigour of the calculus, the luminous certainty before which every cultivated mind is forced to bow. – More Hunting Wasps by J. Henri Fabre

Here was actually a man who was telling him that he need not have faced Latin and Greek and calculus; that they might have been his of his own accord if only he had understood how to call them in! – Romance Island by Zona Gale

But its bases, the principles that make it possible, lie in other fields, including such rather advanced branches of mathematics as analytical geometry, spherical geometry, and differential calculus. – A Quantitative Study of the Nocturnal Migration of Birds. Vol.3 No.2 by George H. Lowery.

Any complaint of discomfort in the right upper quadrant of the abdomen, if persisted in, is almost sure sooner or later to be diagnosed as due to a calculus. – Psychotherapy by James J. Walsh

Now then what is this Integral Calculus of yours? – All Around the Moon by Jules Verne

And there may be differences as to how far and in what provinces the mathematical calculus may be applicable. – Hegel’s Philosophy of Mind by Georg Wilhelm Friedrich Hegel

It is not simply that we have no means at hand, no calculus equal to the occasion; the thing is absurd on its face. – Life Everlasting by John Fiske

God is within us, not without us, we Are given souls to know and see and guide Ourselves and those to come, souls that compute The calculus of beauties, talents, traits, And show us that the good in seed strives on To master stocks; that even poisoned blood, And minds in chemic turmoils, mixed with blood And minds in harmony, work clean at last Else how may normal man to day be such With some eight billion ancestors behind, And something in him of the blood of all Who lived five hundred years ago or so, Who were diseased with alcohol and pork, And poverty? – Domesday Book by Edgar Lee Masters

First, I was compelled by the process of " changing the independent variable" to examine severely the logic of the Differential Calculus. – Autobiography of Sir George Biddell Airy by George Biddell Airy

A day later had been scrawled, with a dash of irritation in the caligraphy, a third note: " Of dispositions like hers that are worthy analysis, it is expedient to restrain the lesser deduction in order to gain the full breadth of the greater; one must look through the eyelashes at the substantial flesh and blood perfections to achieve the infinite spiritual possibilities deduced by the instinctive calculus.... – Love's Usuries by Louis Creswicke

He read Murray's Calculus. – Further Foolishness by Stephen Leacock