spi·​ru·​lina ˌspī-rə-ˈlī-nə How to pronounce spirulina (audio)
: 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

Recent Examples on the Web The brine that is leftover in this process, however, would be processed in spirulina bioreactors to provide a source of nitrogen. Jacek Krywko, Ars Technica, 13 Sep. 2023 The spirulina in MELiSSA’s bioreactors tastes like green, stagnant water. Jacek Krywko, Ars Technica, 13 Sep. 2023 The spirulina helps the bird gain weight quickly and transforms her feathers from a pale pink to the vibrant hue many associate with flamingos. Kelli Bender, Peoplemag, 17 Nov. 2023 Her go-to supplements are turmeric, ginger, spirulina and flaxseed. Akili King, Essence, 7 Nov. 2023 While the amount of spirulina in this supplement may be too low to have any effect, spirulina may lower blood pressure, slow blood clotting, increase immune system activity, and lower blood sugar. Alex Aldeborgh, Ms, Verywell Health, 27 Mar. 2023 Omega-3 Fatty Acids While vegan sources of omega-3 fatty acids can be hard to find, spirulina delivers. Christina Manian, Rdn, Better Homes & Gardens, 12 Aug. 2023 Key Ingredients: To achieve this, Thorne’s powder utilizes an array of mushrooms, spirulina, spinach, kelp, CoQ10, moringa, and ashwagandha. Kiana Murden, Vogue, 28 Aug. 2023 Green leafy vegetables and algae like spirulina and chlorella are packed with vitamins, minerals, and fiber. Jon Stojan, The Enquirer, 27 July 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'spirulina.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


New Latin, from spirula small coil, diminutive of Latin spira coil

First Known Use

1846, in the meaning defined above

Time Traveler
The first known use of spirulina was in 1846

Dictionary Entries Near spirulina

Cite this Entry

“Spirulina.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spirulina. Accessed 21 Feb. 2024.

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