coinstantaneous

English

Etymology

co- +‎ instantaneous

Adjective

coinstantaneous (not comparable)

1. Happening at the same instant.
   • 1840, Charles Darwin, Journal of Researches Into the Geology and Natural History:

     In the case of the prawn-like crabs, their movements were as coinstantaneous as in a regiment of soldiers

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “coinstantaneous”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)