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.

< Neo-Latin (1813); see lamina, -ary Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
laminaria (ˌlæmɪˈnɛərɪə)
any brown seaweed of the genus Laminaria, having large fluted leathery fronds
[C19: genus name formed from Latin lamina plate]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
Small sticks called laminaria are placed into the cervix to help it open.
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