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spirulina

American  
[spahy-ruh-lahy-nuh] / ˌspaɪ rəˈlaɪ nə /

noun

  1. Microbiology. any of three species of the cyanobacteria genus Arthrospira, especially A. platensis, which is widely cultivated as a dietary supplement.

  2. the dietary supplement itself, which is a source of protein, vitamins, and antioxidants.

    Add a spoonful of powdered spirulina to your morning smoothie.


spirulina British  
/ ˌspɪrʊˈlaɪnə, -ˈliːnə /

noun

  1. any filamentous cyanobacterium of the genus Spirulina : processed as a valuable source of proteins and other nutrients

"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

Etymology

Origin of spirulina

First recorded in 1840–50; New Latin, equivalent to spīrul(a) “small coil” + -īna (adjective suffix); so called from their corkscrew shape; see spiral, -ina 2, -ule,

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Unlike Blue 1, spirulina arrives at Mars’s doorstep as a powder.

From The Wall Street Journal Jun. 18, 2026

A colorful and refreshing sweet treat, TJ’s Watermelon Freeze Dried Candies are made with spirulina, paprika, vegetable juice, turmeric and fruit juice.

From Salon Jul. 30, 2025

When dried out it's know as spirulina and is used as a dietary supplements, a food ingredients, and as a bright-blue food colouring.

From BBC Jan. 20, 2025

In tropical places such as Kenya, sunshine throughout the year helps microscopic photosynthesizers thrive, and the water’s high salinity and pH favors the growth of spirulina, a cyanobacterium that is the lesser flamingo’s primary food.

From Science Magazine Apr. 12, 2024

However, the capacity of spirulina and chlorella to stimulate myofibrillar protein synthesis in humans remains unknown.

From Science Daily Dec. 18, 2023

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