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infra

[in-fruh] /ˈɪn frə/
adverb
1.
below, especially when used in referring to parts of a text.
Compare supra.
Origin
1730-1740
1730-40; < Latin infrā; cf. under

infra-

1.
a prefix meaning “below,” used, with second elements of any origin, in the formation of compound words:
infrasonic; infrared.
Origin
< Latin, representing infrā, adv. or preposition

ut infra

[oo t in-frah; English uht in-fruh] /ʊt ˈɪn frɑ; English ʌt ˈɪn frə/
Latin.
1.
as (stated or shown) below: used in a book, text, etc.

vide infra

[wee-de in-frah; English vahy-dee in-fruh, vee-] /ˈwi dɛ ˈɪn frɑ; English ˈvaɪ di ˈɪn frə, ˈvi-/
Latin.
1.
see below (used especially to refer a reader to parts of a text).
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for infra
  • Cloud computing might be an important new infra structure.
  • The taxes of course rise each year to expand the infra structure.
  • The system used a camera to include your real image in the virtual game position detection used infra-red devices.
  • Would be interesting to be able to detect infra-red, ultra-violet, radio wave.
  • Cranking out freelance articles to pay off one's marquisate bill, however, is unquestionably infra dig.
  • In the case of lidar, the waves are in the form of an infra-red laser beam.
  • With no pilot inside there is room for lots of gear: optical sensors, synthetic-aperture radar, forward-looking infra-red.
  • It acts to amplify infra-red emissions at some frequencies and suppress them at others.
  • Each laser pulse will begin as a weak infra-red beam.
  • The actual detection is done by infra-red light, which reflects off the user's skin and clothes.
British Dictionary definitions for infra

infra

/ˈɪnfrə/
adverb
1.
(esp in textual annotation) below; further on

infra-

prefix
1.
below; beneath; after: infrasonic, infralapsarian
Word Origin
from Latin infrā

ut infra

/ʊt ˈɪnfrɑː/
uknown
1.
as below
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
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Word Origin and History for infra
adv.

"under, below, further on," from Latin infra (see infra-).

infra-

word-forming element from Latin infra (adv., prep.) "below, underneath, beneath; later than, smaller, inferior to," from PIE *ndher "under" (cf. Sanskrit adnah "below," Old English under "under, among;" see under). Opposed to super-. Its use as a prefix was rare in Latin.

Online Etymology Dictionary, © 2010 Douglas Harper
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infra in Medicine

infra- pref.
Inferior to, below, or beneath: infrasonic.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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8
9
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