rapillin.

Brit.

/rəˈpɪlʌɪ/, U.S.

/rəˈpɪˌlaɪ/

Forms: 1700s rapilla, 1700s– rapilli.

Origin: A borrowing from Italian. Etymons: Italian rapilli, rapillo.

Etymology: < Italian regional (Naples) rapilli, plural of rapillo (15th cent.), variant (by dissimilation) of Italian lapillo lapillo n. Compare earlier lapilli n.

Now disused.

With plural agreement. Small fragments of rock, esp. pumice, ejected from a volcano. Cf. lapilli n.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > ejected volcanic material > [noun] > stones, dust, or sand

sand flood1668

lapilli1747

rapilli1768

lapillo1811

tephra1944

1768 W. Hamilton Let. 4 Oct. in Observ. Vesuvius (1772) 49 Upon this stratum of pumice, or rapilli, as they call them here, is a stratum of excellent mould.

1776 W. Hamilton Campi Phlegræi Pl. xi. (caption) Strata of ashes, Rapilla, and other Volcanick matter.

1809 J. Wilson Hist. Mountains II. 620 The first ejections..were simply ashes, pieces of pumice stone and rapilli.

1871 C. Kingsley At Last I. ii. 46 Soils of still unexhausted fertility, save when—as must needs be in a volcanic region—patches of mere rapilli and scoriæ occur.

1931 W. H. Hobbs Earth Features & their Meaning xi. 122 The term lapilli, or sometimes rapilli, is applied to the ejected lava fragments when of the average size of a finger joint.

This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022).

单词	rapilli
释义	rapillin. Brit. /rəˈpɪlʌɪ/, U.S. /rəˈpɪˌlaɪ/ Forms: 1700s rapilla, 1700s– rapilli. Origin: A borrowing from Italian. Etymons: Italian rapilli, rapillo. Etymology: < Italian regional (Naples) rapilli, plural of rapillo (15th cent.), variant (by dissimilation) of Italian lapillo lapillo n. Compare earlier lapilli n. Now disused. With plural agreement. Small fragments of rock, esp. pumice, ejected from a volcano. Cf. lapilli n. ΘΚΠ the world > the earth > structure of the earth > constituent materials > ejected volcanic material > [noun] > stones, dust, or sand sand flood1668 lapilli1747 rapilli1768 lapillo1811 tephra1944 1768 W. Hamilton Let. 4 Oct. in Observ. Vesuvius (1772) 49 Upon this stratum of pumice, or rapilli, as they call them here, is a stratum of excellent mould. 1776 W. Hamilton Campi Phlegræi Pl. xi. (caption) Strata of ashes, Rapilla, and other Volcanick matter. 1809 J. Wilson Hist. Mountains II. 620 The first ejections..were simply ashes, pieces of pumice stone and rapilli. 1871 C. Kingsley At Last I. ii. 46 Soils of still unexhausted fertility, save when—as must needs be in a volcanic region—patches of mere rapilli and scoriæ occur. 1931 W. H. Hobbs Earth Features & their Meaning xi. 122 The term lapilli, or sometimes rapilli, is applied to the ejected lava fragments when of the average size of a finger joint. This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022). < n.1768
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