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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use laminaria in a sentence
It is found on rocks and laminaria stems beyond the tide-marks, but is commonly washed up on the beach during storms.The Sea Shore | William S. Furneaux
A very small species (L. pusillus) with tufted green fronds grows parasitic on the fronds of Chorda and the stems of laminaria.The Sea Shore | William S. Furneaux
laminaria digitata, six feet long, is found here sometimes under these circumstances.
Sometimes one finds here fronds of laminaria which have been washed ashore.
Fucus and laminaria constitute the kelp from which iodine is obtained, and were at one time the source of the potash of commerce.
British Dictionary definitions for laminaria
any brown seaweed of the genus Laminaria, having large fluted leathery fronds
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012