What do a.m. and p.m. stand for?


[kelp] /kɛlp/
any large, brown, cold-water seaweed of the family Laminariaceae, used as food and in various manufacturing processes.
a bed or mass of such seaweeds.
the ash of these seaweeds.
verb (used without object)
to burn these seaweeds for their ash.
Origin of kelp
1350-1400; apparently dialectal variant of Middle English culp < ? Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for kelp
  • kelp is one of the world's fastest-growing plants, with some species adding up to a foot per day.
  • Sea otters eat sea urchins and sea urchins eat kelp.
  • When sea otters are present, the coastal kelp forests maintain a healthy balance.
  • kelp and bonito are loaded with umami, the taste of mouthwatering savoriness.
  • Canyon-and board a submersible exploration vehicle for a dive at the edge of a kelp forest.
  • In kelp forests, seaweeds known as giant kelp provide shelter and food for an entire ecosystem.
  • They comb cosmetics counters for thermal plankton creams and kelp cleansing gels.
  • Patterns pop in bull kelp photographed at close range.
  • Marine life ranges from kelp forests to the endangered blue whale.
  • Covered with waifs of the tide, with kelp and the slippery sea-weed.
British Dictionary definitions for kelp


any large brown seaweed, esp any in the order Laminariales
the ash of such seaweed, used as a source of iodine and potash
Word Origin
C14: of unknown origin
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
Cite This Source
Word Origin and History for kelp

1660s, from Middle English culpe (late 14c.), of unknown origin. Kelper "native or inhabitant of the Falkland Islands" is attested from 1960.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
kelp in Science
Any of various brown, often very large seaweeds that grow in colder ocean regions. Kelps are varieties of brown algae of the order Laminariales, with some species growing over 61 m (200 ft) long. Kelps are harvested as food (primarily in eastern Asia), as fertilizer, and for their sodium and potassium salts, used in industrial processes. Kelps are also a source of thickening agents and colloid stabilizers used in many commercial products. See more at brown alga.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for kelp

Most English speakers likely know this word

Word Value for kelp

Scrabble Words With Friends

Quotes with kelp

Nearby words for kelp