laminaria

[lam-uh-nair-ee-uh]
noun
any of various often very large kelps of the genus Laminaria, some species of which are the source of algins used as thickening or stabilizing agents in foodstuffs and other products.

Origin:
< Neo-Latin (1813); see lamina, -ary

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World English Dictionary
laminaria (ˌlæmɪˈnɛərɪə)
 
n
any brown seaweed of the genus Laminaria, having large fluted leathery fronds
 
[C19: genus name formed from Latin lamina plate]

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Example sentences
Small sticks called laminaria are placed into the cervix to help it open.
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