noun

exoskeleton

exoskeleton

Insects have a hard exoskeleton.

Insects have a hard exoskeleton.

The soldier wore a powered exoskeleton.

The soldier wore a powered exoskeleton.

((an exoskeleton)) an external skeleton, as in arthropods Insects have a hard exoskeleton.

Synonyms: carapace, shell, external skeleton

From Greek 'exo-' meaning 'outside' and 'skeletos' meaning 'skeleton'. Literally 'outside skeleton'.

'Exo-' means 'outside', like in 'exit'. So, it's a skeleton on the outside.

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