somni-


  1. a combining form meaning “sleep”, used in the formation of compound words: somnifacient.

Origin of somni-

1
From Latin, combining form of somnus “sleep”
  • Also especially before a vowel, somn-.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use somni- in a sentence

  • At the same moment the effect of the somni-chloride began to wear off and the baronet felt a throbbing in his hand.

    Mortmain | Arthur Cheny Train

British Dictionary definitions for somni-

somni-

combining form
  1. sleep: somniferous

Origin of somni-

1
from Latin somnus

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