(ŭl′trə-mĭn′ē-ə-cho͝or′, -chər, -mĭn′ə-)

ul′tra·min′i·a·tur·ize′ (-īz′) v.
ul′tra·min′i·a·tur·i·za′tion (-chə-rĭ-zā′shən) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


extremely small
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(sʌbˈmɪn i ə tʃər, -ˌtʃʊər, -ˈmɪn ə tʃər)
smaller than miniature, as certain electronic components.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
The SOLO7 Nano amplifier is an ultraminiature COFDM power amplifier designed specifically for small, discreet applications.
For the practical implementation of ultra-large integrated circuits, ultraminiature field microtransistors are being created.
A group of miniature 16-channel implantable stimulator modules that use its wireless electronic chips will deliver the patterned electrical stimulation to the user's brain through ultraminiature needle-like electrodes.
The UM6 ultraminiature orientation sensor measuring orientation in all three dimensions at 500 Hz using a combination of rate gyros, accelerometers, and magnetic sensors was applied to monitor sailing direction as shown in Figure 5.
Xu, "Triple-band polarization-insensitive wide-angle ultraminiature metamaterial transmission line absorber," Phys.
C&K Components' KMTO Series of ultraminiature tactile switches offer IP68-rated sealing.
The GRF172 Centigrid[R] surface-mount relay is an ultraminiature hermetically sealed armature relay for 2.5 GHz applications.
Members of the G series of washable, ultraminiature. PC-mount toggle, rocker, and push-button switches, all with matching indicators, feature a sliding twin crossbar contact mechanism that wipes the gold, rounded contacts with every actuation.
The ML3 series of thru-beam subminiature photoelectric sensors provide response times faster than 1 millisecond with ultraminiature housings of 22mm x 8mm x 11 mm, making them ideal for space restricted applications.
The OFM/M series of medically approved ultraminiature open frame modular switching power supplies provides output over the 5 to 15W range.
Under the picture is the inscription, "This ultraminiature precision camera has been a favorite of spies around the world for years"