discoconic
Having an extremely narrow conch shape with umbilical width index between 20 and 30%Having an extremely narrow conch shape (between 0 and 30% of the diameter) with umbilical width index between 20 and 30%.
Meaning
1 sensesHaving an extremely narrow conch shape (between 0 and 30% of the diameter) with umbilical width index between 20 and 30%.
Origin
From disc + -o- + conic.From disc + -o- + conic.
Wiktionary, CC BY-SA 4.0 · source