Animals without backbones. (Compare vertebrates.)
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Words nearby invertebrates
Example sentences from the Web for invertebrates
Rossellini enthusiastically acts out various sex acts while costumed as an earthworm, a spider, a bee, and other invertebrates.
Many groups of invertebrates are seldom or never found in fresh water.The Principles of Stratigraphical Geology|J. E. Marr
Animals do learn, all the vertebrates, at least, and many of the invertebrates.Psychology|Robert S. Woodworth
In short, Liverpool is to be congratulated on its collections of bones and invertebrates.Practical Taxidermy|Montagu Browne