noun
definition
The 14th letter of Classical and Modern Greek. The 15th in Ancient and Old Greek.
definition
Either of a pair of hyperons having spin 1/2, which decay into a lambda particle and a pion.
Examples of xi in a Sentence
Xi to n.
If (f,4) 1 be not a perfect square, and rx, s x be its linear factors, it is possible to express f and 4, in the canonical forms Xi(rx)2+X2(sx)2, 111(rx)2+1.2 (sx) 2 respectively.
Maximilian was compelled to assent to the treaty of Arras in 1482 between the states of the Netherlands and Louis XI.
In his old age he was engaged in incessant conflicts with his Aragonese and Catalan subjects, with Louis XI.
The latter was begun by Henry of Guise in 1578, in place of an older château burnt by Louis XI.
All the Swedish commanders showed remarkable ability, but the chief glory of the day indisputably belongs to Charles XI.
Impatient of control and hasty in action, he was no match for his crafty and plotting adversary, Louis XI.
On questions of fundamental doctrine they held to the belief XI.
Charts of this description are first mentioned in connexion with the Crusade of Louis XI.
The periods of silence are regarded as times of worship equally with those occupied with vocal service, inasmuch as Friends hold that robustness of spiritual life is best promoted by earnest striving on the part of each one to know the will of God for xI.
Several times he went to France on public business; in 1475 at the treaty of Picquigny he received a pension from Louis XI.
In 1477 it was destroyed by Louis XI.
For this reason the umbrae A1, A 2 are said to be contragredient to xi, x 2.
Forms.-Taking the two forms to be a o xi + pa l x i 1x2+p(p-1)a2xr2x2-I-...
In 1424 Chartier was sent on an embassy to Germany, and three years later he accompanied to Scotland the mission sent to negotiate the marriage of Margaret of Scotland, then not four years old, with the dauphin, afterwards Louis XI.
Having been appointed assistant lecturer and afterwards full lecturer at the Ecole des Hautes Etudes, it was to the town of St Omer that he devoted his first lectures and his first important work, Histoire de la vile de Saint-Omer et de ses institutions jusqu'au XI V e siecle (1877).
However, he succeeded in finishing and printing the Siècle de Louis XI V., while the Dictionnaire philosophique is said to have been devised and begun at Potsdam.
Anne was a true daughter of Louis XI.
All this must be an allegory of past events, the time present to the author and his hopes for the future beginning only at xi.
He was present at the interview between Louis XI.
A report addressed to Bonaparte by Fievee 1 in the year XI.
The mathematical importance of this function called the potential is that it is a scalar quantity, and the potential at any point due to any number of point charges ql, q2, q3, &c., distributed in any manner, is the sum of them separately, or qi/xl+q2/x2+q3/x3+&c. =F (q/x) =V (17), where xi, x2, x 3, &c., are the distances of the respective point charges from the point in question at which the total potential is required.
For Egypt, see Lane's Modern Egyptians, and the Journal of Sir Walter Scott, xi.
In 1681 he visited Upsala in Sweden, where he was offered inducements to settle; but his desire for foreign travel led him to become secretary to the embassy which Charles XI.
For it is generally agreed among critics that xi.
This relative unity is manifested also in the uniform character of the language, a uniformity, however, which is occasionally conspicuous by its absence in the case of independent sources, as in xi.
The duke of Bourbon gained over to their side the dauphin Louis - afterwards Louis XI.
King Louis XI.
Lentulus played a prominent part in the recall of Cicero from exile, and although a temporary coolness seems to have arisen between them, Cicero speaks of him in most grateful terms. From 56-53 Lentulus was governor of the province of Cilicia (with Cyprus) and during that time was commissioned by the senate to restore Ptolemy XI.
His eldest brother, Charles d'Amboise, was governor of the Isle of France, Champagne and Burgundy, and councillor of Louis XI.
Georges d'Amboise was only fourteen when his father procured for him the bishopric of Montauban, and Louis XI.
In 1880, whilst holding the command of the XI.
The account of the time in Jerusalem includes a series of conflicts with opponents xi.
He maintained a very large harem (xi.), and among his wives was the daughter of an Egyptian Pharaoh.
He struck a blow at both, when, in 1462-1463, he induced his sonin-law, Louis XI.
He commanded the cavalry of the XI.
In 1475 it was burnt by Louis XI.
Similarly, there is a conspicuous difference of treatment of the life of Joash in 2 Kings xi.
The utility of such logarithms was first pointed out by Leonelli in a book entitled Supplement logarithmique, printed at Bordeaux in the year XI.
That during and after the settlement of 1815 Frederick William played a very secondary part in European affairs is explicable as well by his character as xI.
The wild goat, or pasang, is represented in Europe in the Cyclades and Crete by rather small races, xi'.
With the exception of his description of the French Revolution, which was chiefly a political manifesto, all his early works refer to the middle ages - De La feodalite, des institutions de Saint Louis et de l'influence de la legislation de ce prince (1822); La Germanic au vin e et au ix' siecle, sa conversion au christianisme, et son introduction dans la societe civilisee de l'Europe occidentale (1834); Essai sur la formation territoriale et politique de la France depuis la fin du xi e siècle jusqu'et la fin du xv e (1836); all of these are rough sketches showing only the outlines of the subject.
The fragments of the Historical Memoirs have been edited by P. Otto (Leipziger Studien XI, 1891); see also Mailer's Fragmenta historicorum graecorum, iii.
For his connexion with the growth of telegraphy, see Nature, xi.
Gregors XI."
It was also St Catherine who prevailed on Gregory XI.
Paul took energetic measures against the principle of the absolute supremacy of the state as maintained by the Venetians and by Louis XI.
He entered the Swedish army at an early age and was already a captain when, in 1689, at the head of a deputation of Livonian gentry, he went to Stockholm to protest against the rigour with which the land-recovery project of Charles XI.
This order is known from a bull of Gregory XI.
Urban's successor was Gregory XI.