Conchoidal meaning

kŏng-koid'l
Of, relating to, or being a surface characterized by smooth, shell-like convexities and concavities, as on fractured obsidian.
adjective
0
0
Producing smooth convexities or concavities, like those of a clamshell, when fractured.
adjective
0
0
Of or relating to a mineral or rock surface that is characterized by smooth, shell-like curves. Obsidian and quartz often have conchoidal fractures.
0
0
(mineralogy) Of a type of irregular fracture having planar, concentric curves, like those on a mussel shell. Of a mineral having such a fracture, such as flint.
adjective
0
0
Advertisement

Origin of conchoidal

  • From Greek konkhoeidēs mussellike konkho- concho- -oeidēs -oid
    From American Heritage Dictionary of the English Language, 5th Edition
  • From Wiktionary