Exoskeleton: meaning, definitions and examples

Used in biological contexts to describe the external skeleton that supports and protects an animal's body.

• The exoskeleton of a crab is made of chitin.
• Scientists are developing robotic exoskeletons to help people with disabilities.

General term for a hard, protective outer layer that could belong to animals, eggs, or other items.

• We found a beautiful shell on the beach.
• The egg's shell protects the developing chick inside.

Typically refers to protective gear worn by soldiers or mounted on vehicles to protect against weapons.

• The knight's armor was made of steel and weighed over fifty pounds.
• Modern tanks feature advanced armor to withstand explosive attacks.

Specifically refers to the hard upper shell of a turtle, crustacean, or arachnid.

• The turtle retreated into its carapace when it sensed danger.
• The carapace of the crab was tough and difficult to crack open.

Used in biology and robotics to describe a hard outer structure that provides support or protection to an organism or machine.

• Insects like beetles have an exoskeleton that protects their internal organs.
• The new robotic suit functions as an exoskeleton, enhancing the wearer's strength.

Typically used in contexts discussing the supporting structure of various objects or devices, such as backpacks, buildings, or machinery.

• The hiker's backpack had an external frame, making it easier to carry heavy loads.
• The external frame of the building provided additional stability during construction.

Common in manufacturing, packaging, and technological contexts to describe an outer layer designed to protect an object from damage or wear.

• The protective casing of the smartphone prevented it from getting scratched.
• The protective casing around the machinery kept the workers safe from moving parts.