Lacking a cone or cone-like structure; not having the typical conical shape.
From Greek 'a-' (without) plus 'konikos' (cone-shaped), creating the adjectival form meaning without cones.
Some species of pine trees can produce aconic cones—deformed structures missing the tight spiraling scales—which is so unusual that scientists study them to understand what controls cone architecture in plant development.
Complete word intelligence in one call. Free tier — 50 lookups/day.