lapilli

As nouns the difference between agglomerate and lapilli

is that agglomerate is a collection or mass 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.

As an adjective agglomerate

is collected into a ball, heap, or mass.

As a verb agglomerate

is to wind or collect into a ball; hence, to gather into a mass or anything like a mass.

As a noun 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.

As nouns the difference between terms and lapilli

is that terms is 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.

As nouns the difference between tuff and lapilli

is that tuff is a light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel 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.

As an adjective tuff

is older and simplified spelling of tough.

As a noun 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.

As nouns the difference between lapilli and rapilli

is that 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 while rapilli is alternative form of lang=en.

As nouns the difference between lapilli and cinders

is that 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 while cinders is plural of lang=en.

As a noun 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.

As a proper noun cinder is

a river in alaska.

Tephra is a hypernym of lapilli.

As nouns the difference between tephra and lapilli

is that tephra is tephra, pyroclast 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.