any of the blue-green algae of the genus Spirulina, sometimes added to food for its nutrient value.

Nearby words

  1. spirometric,
  2. spironolactone,
  3. spiroplasma,
  4. spirt,
  5. spirula,
  6. spiruroid,
  7. spiruroidea,
  8. spiry,
  9. spissatus,
  10. spissitude

Origin of spirulina

< New Latin, equivalent to spīrul(a) small coil (see spiral, -ule) + -ina -ina2; so called from their corkscrew shape

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for spirulina

  • Spirulina is often found growing with Oscillaria, and forms purple patches on wharves.

    The Sea-beach at Ebb-tide|Augusta Foote Arnold
  • In Spirulina the filaments are spirally twisted like a corkscrew and also have a vibrating movement.

    The Sea-beach at Ebb-tide|Augusta Foote Arnold

British Dictionary definitions for spirulina



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

Word Origin for spirulina

from New Latin spirula small spiral

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