conchoidal

adjective
UK: /kɒŋˈkɔɪdəl/
US: /kɑːŋˈkɔɪdəl/
  1. Having curved fracture surfaces that resemble a shell.

    1. The rock has a conchoidal fracture.
    2. Obsidian, due to its glassy composition, typically exhibits a conchoidal fracture when broken.
  2. Relating to or characterized by a surface of fracture that is marked by smooth, curved ridges, like the lines on a shell.

    1. The flint showed a distinct conchoidal pattern.
    2. Examining the broken glass revealed the presence of a clear conchoidal fracture surface.

Frequently Asked Questions

The word "conchoidal" in English means: Having curved fracture surfaces that resemble a shell., Relating to or characterized by a surface of fracture that is marked by smooth, curved ridges, like the lines on a shell..

The phonetic transcription of "conchoidal" is /kɒŋˈkɔɪdəl/ in British English and /kɑːŋˈkɔɪdəl/ in American English. Click the 🔊 button to hear both pronunciations.

Example usage of "conchoidal": "The rock has a conchoidal fracture.". More examples on the page.