: planktonic crustaceans and their larvae (order or suborder Euphausiacea and especially genus Euphausia) that constitute the principal food of baleen whales
Examples of krill in a Sentence
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Adélie penguins eat lots of fish and krill, so their guano contains nitrogen that breaks down into ammonia gas.
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Sara Hashemi, Smithsonian Magazine, 27 May 2025
Songs from blue whales showed a different pattern, with detections declining significantly when populations of krill — their sole source of food — dropped, the authors wrote in The Conversation.
—Brendan Rascius, Miami Herald, 14 Mar. 2025
Farmed salmon is only its specific shade of pink because carotenoids—naturally occurring molecules in the diets of wild salmon that feed on krill and shrimp—are added into their feed.
—Bedatri D. Choudhury, Bon Appetit Magazine, 30 Apr. 2025
According to the research team, a chemical in the Adélie penguin’s poo can trigger krill into evasive maneuvers.
—Monica Cull, Discover Magazine, 20 Mar. 2025
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Sara Hashemi, Smithsonian Magazine, 27 May 2025
Songs from blue whales showed a different pattern, with detections declining significantly when populations of krill — their sole source of food — dropped, the authors wrote in The Conversation.
—Brendan Rascius, Miami Herald, 14 Mar. 2025
Farmed salmon is only its specific shade of pink because carotenoids—naturally occurring molecules in the diets of wild salmon that feed on krill and shrimp—are added into their feed.
—Bedatri D. Choudhury, Bon Appetit Magazine, 30 Apr. 2025
According to the research team, a chemical in the Adélie penguin’s poo can trigger krill into evasive maneuvers.
—Monica Cull, Discover Magazine, 20 Mar. 2025
See All Example Sentences for krill
Cite this Entry
“Krill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/krill. Accessed 10 Jun. 2025.
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krill
noun
: small crustaceans and their larvae that make up plankton and form a major food of baleen whales
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