spirulina
noun
spi·ru·lina
ˌspī-rə-ˈlī-nə 
ˌspir-ə-ˈlē-
: a microscopic filamentous aquatic cyanobacterium (genus Spirulina, especially S. platensis synonym Arthrospira platensis) that is sometimes cultivated for use as food especially as a dietary supplement
Examples of spirulina in a Sentence
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Both chlorella and spirulina are nutritious types of algae that can be taken in supplement form.
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Bestreviews, Chicago Tribune, 3 Feb. 2026
What’s the difference between blue spirulina and regular spirulina?
—Bestreviews, Mercury News, 30 Jan. 2026
Your Antioxidant Intake May Increase Many greens powders are made with ingredients rich in antioxidants, such as spirulina, chlorella, powdered leafy greens, and fruit powders.
—Jillian Kubala, Health, 23 Jan. 2026
Each scoop delivers 75 vitamins, minerals, probiotics, and adaptogens sourced from greens like alfalfa, spirulina, and artichoke.
—Olivia Tarantino, Bon Appetit Magazine, 8 Oct. 2025
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Bestreviews, Chicago Tribune, 3 Feb. 2026
What’s the difference between blue spirulina and regular spirulina?
—Bestreviews, Mercury News, 30 Jan. 2026
Your Antioxidant Intake May Increase Many greens powders are made with ingredients rich in antioxidants, such as spirulina, chlorella, powdered leafy greens, and fruit powders.
—Jillian Kubala, Health, 23 Jan. 2026
Each scoop delivers 75 vitamins, minerals, probiotics, and adaptogens sourced from greens like alfalfa, spirulina, and artichoke.
—Olivia Tarantino, Bon Appetit Magazine, 8 Oct. 2025
See All Example Sentences for spirulina
Cite this Entry
“Spirulina.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spirulina. Accessed 5 Feb. 2026.
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