# Sphere vs Lapilli - What's the difference?

sphere | lapilli |

## As nouns the difference between sphere and lapilli

is that sphere is sphere while lapilli is a sphere shaped droplet of molten lava ejected from a volcanic eruption which falls to earth while still at least partially molten, ranging in size from 2 to 64 millimeters.

# sphere

## English

(wikipedia sphere)

### Alternative forms

* (archaic) * sphear (archaic)

### Noun

(en noun)
• (mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .
• A spherical physical object; a globe or ball.
• * Milton
• Of celestial bodies, first the sun, / A mighty sphere , he framed.
• * 2011 , Piers Sellers, The Guardian , 6 July:
• So your orientation changes a little bit but it sinks in that the world is a sphere , and you're going around it, sometimes under it, sideways, or over it.
• * 1635 , John Donne, "His parting form her":
• Though cold and darkness longer hang somewhere, / Yet Phoebus equally lights all the Sphere .
• (historical, astronomy, mythology) Any of the concentric hollow transparent globes formerly believed to rotate around the Earth, and which carried the heavenly bodies; there were originally believed to be eight, and later nine and ten; friction between them was thought to cause a harmonious sound (the music of the spheres ).
• *, vol.1, p.153:
• It is more simplicitie to teach our children[t]he knowledge of the starres, and the motion of the eighth spheare , before their owne.
• * 1646 , (Thomas Browne), Pseudodoxia Epidemica , I.6:
• They understood not the motion of the eighth sphear from West to East, and so conceived the longitude of the Stars invariable.
• (mythology) An area of activity for a planet; or by extension, an area of influence for a god, hero etc.
• (figuratively) The region in which something or someone is active; one's province, domain.
• * 1946 , (Bertrand Russell), History of Western Philosophy , I.20:
• They thought – originally on grounds derived from religion – that each thing or person had its or his proper sphere , to overstep which is ‘unjust’.
• (geometry) The set of all points in three-dimensional Euclidean space (or n -dimensional space, in topology) that are a fixed distance from a fixed point .
• (logic) The extension of a general conception, or the totality of the individuals or species to which it may be applied.
• #### Synonyms

* (object) ball, globe, orb * (region of activity) area, domain, field, orbit, sector * (in geometry) (''topology ) * See celestial sphere * See celestial body

#### Derived terms

* blogosphere * sphere of influence * sphere of interest

* ball (in topology ) * Mathworld article on the sphere *

### Verb

(spher)
• To place in a sphere, or among the spheres; to ensphere.
• * Shakespeare
• The glorious planet Sol / In noble eminence enthroned and sphered / Amidst the other.
• To make round or spherical; to perfect.
• (Tennyson)
(Webster 1913)

* * ----

# lapilli

## English

### Noun

(-)
• A sphere shaped droplet of molten lava ejected from a volcanic eruption which falls to earth while still at least partially molten, ranging in size from 2 to 64 millimeters.
• * {{quote-news, year=2007, date=May 8, author=Henry Fountain, title=It’s Still Dark Out, So Why Are the Birds Singing Away?, work=New York Times citation
• , passage=They also found rounded granules that are probably accretionary lapilli — volcanic hailstones, formed as material gathers in the air. }}

#### Hypernyms

* tephra ----