bowl-shaped

adj.having a concave shape with an open top like a bowl

Red bowl-shaped flowers: convergence for beetle pollination in the Mediterranean region.
Bowl-Shaped Aggregates from the Self-Assembly of an Amphiphilic Random Copolymer of Poly(styrene-co-methacrylic acid)
Supramolecular Chemistry of p-Sulfonatocalix[5]arene: A Water-Soluble, Bowl-Shaped Host with a Large Molecular Cavity
A bowl-shaped fullerene encapsulates a water into the cage.
Novel Syntheses of Three C 30 H 12 Bowl-Shaped Polycyclic Aromatic Hydrocarbons †
Stability of polar frosts in spherical bowl-shaped craters on the Moon, Mercury, and Mars ☆
Synthesis of bowl-shaped dendrimers from generation 1 to generation 8
Assembly of a nanoscale chiral ball through supramolecular aggregation of bowl-shaped triangular helicates
Efficient high-ampacity bowl-shaped tubular conductors
Heptametallic Bowl-Shaped Complexes Derived from Conjugated Schiff-Base Macrocycles:  Synthesis, Characterization, and X-ray Crysta...