Rigid-shelled

Describing an organism or object that possesses a hard, inflexible outer covering, usually for protection or structural support. This shell prevents significant deformation and offers resistance to external forces. The material comprising the shell can vary widely, including calcium carbonate, chitin, or inorganic minerals, dictating the shell's durability and the degree of protection it provides. Organisms with rigid shells often experience limited flexibility and may rely on other methods, such as camouflage or withdrawal, for defense. The term can also extend to inanimate objects like cases or containers characterized by a tough, unyielding exterior.

Rigid-shelled meaning with examples

• The paleontologist carefully brushed away the surrounding sediment to reveal the remarkably preserved fossil of a rigid-shelled trilobite. Its segmented body was protected by an incredibly durable exoskeleton, allowing it to withstand the pressures of being buried for millions of years. The intricate patterns on its shell were almost perfectly intact, demonstrating the organism's resilience against the elements and preserving vital research opportunities. This protective shell was a crucial adaptation for the trilobite's survival in ancient oceans.
• The turtle, with its distinctive rigid-shelled back, slowly emerged from its burrow, cautious and alert. This carapace, essentially an extension of its ribs, offered unparalleled defense against predators. The shell's strength allowed it to withstand attacks from various carnivores while its heavy shell protected it. The turtle’s shell served not only as a shield but also as a structural element allowing the turtle to retract its vulnerable head and limbs when under threat.
• During the transport of delicate scientific equipment, the engineers opted for a custom-built, rigid-shelled case to ensure its safety. The case provided an impenetrable barrier against impact, preventing the sensitive components from damage during shipping. Its robust design eliminated any potential risks that may come from handling during loading or transport. The exterior was designed to withstand harsh conditions and external impact from outside sources, so as to maintain the internal safety of the equipment.
• The beach was littered with remnants of marine life, including several fragments of rigid-shelled mollusks. The discarded shells of the snails and clams were exposed to the relentless waves, as the tides gradually chipped away at the exteriors of the shells. Each fragment represented a unique specimen that held its own intrinsic beauty. The study of these fragmented pieces of the marine life was interesting, as each held its own specific characteristics.