noun
definition
The symbol ∇ used to denote the gradient operator.
definition
The symbol ∂, in the context of a partial differential
Examples of del in a Sentence
In the centre of the city the Via Aemilia widens out into the Piazza Garibaldi, a large square which contains the Palazzo del Governo and the Palazzo Municipale, both dating from 1627.
It excited the admiration of Gonzales Clavijo, the Spanish envoy, when he passed through it on his way to visit the court of Timur at Samarkand (Clavijo, Historia del gran Tamorlan, p. 84); and Cardinal Bessarion, who was a native of the place, in the latter part of his life, when the city had passed into the hands of the Mahommedans, and he was himself a dignitary of the Roman Church, so little forgot the impression it had made upon him that he wrote a work entitled "The Praise of Trebizond" ('E-yac c uLovTpaire oiivros), which exists in manuscript at Venice.
A few years afterwards he married again, his second wife being Agnes, daughter of Sir James 1 The descent of the first Napier of Merchiston has been traced to "Johan le Naper del Counte de Dunbretan," who was one of those who swore fealty to Edward I.
The largest of the rivers through which Argentina drains into the Plata system are the Pilcomayo, which rises in Bolivia and flows south-east along the Argentine frontier for about 400 m.; the Bermejo, which rises on the northern frontier and flows south-east into the Paraguay; and the Salado del Norte (called Rio del Juramento in its upper course), which rises on the high mountain slopes of western Salta and flows south-east into the Parana.
The best-known among them are Puerto Deseado (Port Desire) at the mouth of the Deseado river (1253 m.), Santa Cruz, at the mouth of the Santa Cruz river (1481 m.), and Ushuaia, on Beagle Channel, Tierra del Fuego.
The provinces of Santa Fe, Cordoba and Santiago del Estero are only partially wooded; large areas of plains are intermingled with scrubby forests of algarrobo (Prosopis), quebracho-blanco (Aspido-sperma quebracho), tala (Celtis tala, Sellowiana, acuminata), acacias and other genera.
The guanaco (Auchenia), which ranges from Tierra del Fuego to the Bolivian highlands, finds comparative safety in these uninhabitable solitudes, and is still numerous.
Of these colleges four are in Buenos Aires, one in each province, and one in Concepcion del Uruguay.
The name of Buenos Aires was given to the country by Sancho del.
In 1553 an expedition from Peru made their way through the mountain region and founded the city of Santiago del Estero, that of Tucuman in 1565, and that of Cordoba in 1573.
The original name of Palenque has been lost, and its present name is taken from the neighbouring village, Santo Domingo del Palenque.
Two members only, Vargas and del Rio, both Spaniards, had votes.
Its chief tributaries are the Mundo and Arroyo del Jua on the left, and the Caravaca, Quipar and Sangonera on the right.
Bancroft's The Native Races of the Pacific States of North America, of which the principal authorities are the Noticias del Estado de Chihuahua of Escudero, who visited the ruins in 1819; an article in the first volume of the Album Mexicano, the author of which was at Casas Grandes in 1842; and the Personal Narrative of Explorations and Incidents in Texas, New Mexico, California, Sonora and Chihuahua (1854), by John Russell Bartlett, who explored the locality in 1851.
The Piazza del Duomo is at the north of the Corso.
On the decoration of the Sala del Cambio, or old exchange, Perugino put forth the full force of his genius.
Most of the movable paintings have since 1863 been collected in the Pinacoteca Vannucci, established in the Palazzo del Municipio; besides a considerable number of pieces by Perugino, there are specimens of Niccolo Alunno, Bonfigli, Pinturicchio, &c. A very interesting and important exhibition of Umbrian art was held here in 1907.
Farther south no very lofty summits are found till we come to the group of Monti del Matese, in Samnium (6660 ft.), which according to the division here adopted belongs to Southern Italy.
The only lake properly so called in southern Italy is the Lago del Matese, in the heart of the mountain group of the same name, of small extent.
The Punta del Nasone, the highest point of Somma, is 3714 ft.
It predominates along the Ligurian Riviera from Bordighera to Spezia, and on the Adriatic, near San Benedetto del Tronto and Gargano, and, crossing the Italian shore of the Ioian Sea, prevails in some regions of Calabria, and terminates around the gulfs of Salerno, Sorrento and Naples.
The fishing is largely carried on by boats from Tone del Greco, in the Gulf of Naples, where the best coral beds are now exhausted.
Vincenzo Gioberti published in 1843 his famous treatise Del primato morale e civile degli Italiani, a work, which, in striking contrast to the prevailing pessimism of the day, extolled the past greatness and achievements of the Italian people and their present virtues.
The most detailed Italiai history of the period is Carlo Tivaronis Storia critica del Rlsorgs menlo Italiano in 9 vols.
Zanichellis Scritti del Conte di Cavour (Bologna, 1892) are very important, and so are Prince Metternichs 7ff moires (7 vols., Paris, f881).
On the 15th of June the pope addressed to Cardinal Rampolla del Tindaro, secretary of state, a letter reiterating in uncompromising terms the papal claim to the temporal power, and at the end of July Cardinal Rampolla reformulated the same claim in a circular to the papal nuncios abroad.
Other works which may be mentioned are Zeitgenossen, Biografien and Charakteristiken (Berlin, 1862); Bibliografia del lavori pubblicati in Germania sulla storia d'Italia (Berlin, 1863); Biographische Denkblatter nach personlichen Erinnerungen (Leipzig, 1878); and Saggi di storia e letteratura (Florence, 1880).
He started on the 21st of September 1519, entered the strait which now bears his name in October 1520, worked his way through between Patagonia and Tierra del Fuego, and entered on Vasco da Gama.
Eventually a Biscayan named Sebastian del Cano, sailing home by way of the Cape of Good Hope, reached San Lucar in command of the " Victoria " on the 6th of September 1522, with eighteen survivors; this one ship of the squadron which sailed on the quest succeeded in accomplishing the first circumnavigation of the globe.
Del Cano was received with great distinction by the emperor, who granted him a globe for his crest, and the motto Primus circumdedisti me.
They sailed from Callao in December 1605, and discovered several islands of the New Hebrides group. They anchored in a bay of a large island which Quiros named " Australia del Espiritu Santo."
The Dutch now resolved to discover a passage into the Pacific to the south of Tierra del Fuego, the insular nature of which had been ascertained by Sir Francis Drake.
Passing through the strait of Lemaire they came to the southern extremity of Tierra del Fuego, which was named Cape Horn, in honour of the town of Hoorn in West Friesland, of which Schouten was a native.
At another general assembly, his fourth, he gave new and more stringent rules, which are found in the Compilation de las instrucciones del officio de la Santa Inquisition.
His favourite pupil was known as Carlo del Mantegna; Caroto of Verona was another pupil, Bonsignori an imitator.
There are remains of a Moorish fort on the hill commanding the town; and the north gateway - the Puerta del Colegio - is a fine lofty arch, surmounted by an emblematic statue and the city arms. The most prominent buildings are the episcopal palace (1733), with a frontage of a 600 ft.; the town house (1843), containing important archives; and the cathedral, a small Gothic structure built on the site of a former mosque in the 14th century, and enlarged and tastelessly restored in 1829.
In the epistle ambo at Salerno and the gospel ambones at Cava and San Giovanni del Toro in Ravello, the columns support segmental arches carrying the ambones; the epistle ambo at Ravello and all those in Rome are raised on solid marble bases.
In the interior on the north, the Cappella del Corporale possesses a large silver shrine, resembling in form the cathedral façade, enriched with countless figures in relief and subjects in translucent coloured enamels - one of the most important specimens of early silversmith's work that yet exists in Italy.
The Palazzo del Comune is Romanesque (12th century), but has been restored.
Domenico contains one of the finest works in sculpture by Arnolfo del Cambio.
In 1199 the first podestd was elected, and in 1251 the first capitano del popolo.
Cardinal Rampolla at once resigned his office as secretary of state, being succeeded by Cardinal Merry del Val, and ceased to play any conspicuous part in the Curia.
Milchhdfer (Anfdnge der Kunst) had called attention to certain remarkable examples of archaic Greek bronze-work, and the subsequent discovery of the votive bronzes in the cave of Zeus on Mount Ida, and notably the shields with their fine embossed designs, shows that by the 8th century B.C. Cretan technique in metal not only held its own beside imported Cypro-Phoenician work, but was distinctly ahead of that of the rest of Greece (Halbherr, Bronzi del antro di Zeus Ideo).
Gregory, still supported by Naples, Hungary, Bavaria, and by Rupert, king of the Romans, found protection with Ladislaus, and in a synod at Cividale del Friuli banned Benedict and Alexander as schismatical, perjured and scandalous.
Of Herrera's writings, the most valuable is his Historia general de los hechos de los Castellanos en las islas y tierra firme del Mar Oceano (Madrid, 1601-1615, 4 vols.), a work which relates the history of the Spanish-American colonies from 1492 to 1554.
The Palazzo del Podesta, now a private house, is a brick building of the 15th century.
After Longhena's date church architecture in Venice declined upon the dubious taste of baroque; the facades of San Moise and of Santa Maria del Giglio are good specimens of this style.
Under the republic commercial shipping used to enter Venice by the Tort of San Nicole del Lido and lie along the quay called the Riva degli Schiavoni, in the basin of San Marco, and up the broad Giudecca Canal.
Orseolo's victory was commemorated and its significance affirmed by the magnificent symbolical ceremony of the "wedding of the sea" (Sposalizio del Mar), celebrated henceforward every Ascension day.
Remains attributed to the Roman poststation of Oplontis were discovered in making the railway between Torre del Greco and Torre Annunziata, a little west of the latter, in 1842.