subminiature

[suhb-min-ee-uh-cher, -choo r, -min-uh-cher]
adjective
  1. noting or pertaining to subminiature cameras, their accessories, or systems of photography.
  2. smaller than miniature, as certain electronic components; ultraminiature.

Origin of subminiature

First recorded in 1945–50; sub- + miniature
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for subminiature

subminiature

adjective
  1. smaller than miniature
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