a geometric pattern found on the surface of helium-3
2.
a species of tree native to Mexico
Word origin
C20: sense 1 named after a word in Lewis Carroll’s ‘The Hunting of the Snark’ (1876)
Examples of 'boojum' in a sentence
boojum
Janus colloidal structures reveal diverse topological defect configurations, which are effectively combinations of surface boojum and bulk defects.
Simon Čopar, Miha Ravnik, Slobodan Žumer 2014, 'Janus Nematic Colloids with Designable Valence', Materialshttp://www.mdpi.com/1996-1944/7/6/4272. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)