noun

invertebrate

invertebrate

Insects and worms are common invertebrates.

Insects and worms are common invertebrates.

an invertebrate an animal without a backbone Spiders are invertebrates.

Antonyms: vertebrate

From the prefix 'in-' (not) + 'vertebrate'. Literally means 'not having a backbone'.

The prefix 'in-' means 'not', and 'vertebra' relates to the spine. So, it's a 'not-spine' animal.

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