copula

• Again, the hiccup seems to elide a syntactically expected element, in this case the copula is. —  Language Log
• When mathematicians and physicists want to describe the chances of events occurring, they often rely on a curve called a copula. —  A New Start
• He decided to use a very standard type of curve - the Gaussian copula, which is better known as a bell curve, or normal distribution - to map and determine the correlation on any given portfolio of assets. —  A New Start
• The time will come when it will be regretted that logic went without paradoxers for two thousand years: and when much that has been said on the distinction of form and matter will breed jokes I give one instance of one mood of each of the systems, in the order of the letters first written above Relative._--In this system the formal relation is taken, that is, the copula may be any whatever. —  A Budget of Paradoxes, Volume I (of II)
• And this may also be added, that women, generally, are not so strong as men, nor so wise or prudent; nor have so much reason and ingenuity in ordering affairs; which shows that thereby the faculties are hindered in operations CHAPTER II How to beget a male or female child; and of the Embryo and perfect Birth; and the fittest time for the copula. —  The Works of Aristotle the Famous Philosopher Containing his Complete Masterpiece and Family Physician; his Experienced Midwife, his Book of Problems and his Remarks on Physiognomy

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