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; Englishvahy-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).
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
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.
infra in Medicine
infra-pref. Inferior to, below, or beneath: infrasonic.