calculus

[kal-kyuh-luhs]

noun

plural

calculi, calculuses 

1. Mathematics.,  a method of calculation, especially one of several highly systematic methods of treating problems by a special system of algebraic notations, as differential or integral calculus.

2. Pathology.,  a stone, or concretion, formed in the gallbladder, kidneys, or other parts of the body.

3. Also called tartar. Dentistry.,  a hard, yellowish to brownish-black deposit on teeth formed largely through the mineralization of dead bacteria in dental plaques by the calcium salts in salivary secretions and subgingival transudates.

4. calculation; estimation or computation.

   the calculus of political appeal.

calculus

/ ˈkælkjʊləs /

noun

1. a branch of mathematics, developed independently by Newton and Leibniz. Both differential calculus and integral calculus are concerned with the effect on a function of an infinitesimal change in the independent variable as it tends to zero

2. any mathematical system of calculation involving the use of symbols

3. logic an uninterpreted formal system Compare formal language

4. pathol a stonelike concretion of minerals and salts found in ducts or hollow organs of the body

calculus

plural

calculi 

1. The branch of mathematics that deals with limits and the differentiation and integration of functions of one or more variables.

2. See more at calculus of variations differential calculus integral calculus

3. A solid mass, usually composed of inorganic material, formed in a cavity or tissue of the body. Calculi are most commonly found in the gallbladder, kidney, or urinary bladder.

4. Also called stone

calculus

1. The branch of mathematics, usually studied after algebra, that provides a natural method for describing gradual change.

Most modern sciences use calculus.

Word History and Origins

Origin of calculus¹

1610–20; < Latin: pebble, small stone (used in reckoning), equivalent to calc- (stem of calx stone) + -ulus -ule

Word History and Origins

Origin of calculus¹

C17: from Latin: pebble, stone used in reckoning, from calx small stone, counter

Example Sentences

These flashpoints — rainbow rockers, Impossible Sausage, now a stripped-down logo — reveal the delicate calculus of change for a brand whose cultural identity is intertwined with a conservative vision of Americana.

From Salon

"I think the calculus today is a bit different but no, the political side never came up but I think what the R&A wants is the greatest courses, they're focused on quality."

From BBC

It’s whether or not the Dodgers seriously pursue any other significant moves — or keep the faith in a roster they’ve spent many hundreds of millions to build — where the more complex calculus lies.

From Los Angeles Times

While Chand’s domestic performances have been solid, selectors have said he has yet to shift the selection calculus in a system that might prioritize younger prospects.

From Los Angeles Times

Trust me, I know the sting of being told something is “easy,” only to wind up cussing-mad because, sure, it didn’t require calculus — but it was still time-consuming, nerve-racking and deeply frustrating.

From Salon

Related Words

• algebra 
• calculation 
• geometry 
• math