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infra
Use
Infra
in a sentence
in·fra
/
ˈɪn
frə
/
Show Spelled
[
in
-fr
uh
]
Show IPA
adverb
below, especially when used in referring to parts of a text.
Compare
supra
.
Origin:
1730–40;
<
Latin
infrā;
cf.
under
Dictionary.com Unabridged
infra-
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
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To
infra
Relevant Questions
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00:10
Infra
is always a great word to know.
So is
doohickey
. Does it mean:
So is
flibbertigibbet
. Does it mean:
So is
gobo
. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a gadget; dingus; thingumbob.
a chattering or flighty, light-headed person.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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Collins
World English Dictionary
infra
(ˈɪnfrə)
—
adv
(esp in textual annotation) below; further on
infra-
—
prefix
below; beneath; after:
infrasonic
;
infralapsarian
[from Latin
infrā
]
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History
infra-
from L. infra (adv., prep.) "below, underneath, beneath," from PIE *ndher (cf. Skt. adnah "below," O.E. under "under, among;" see
under
). Opposed to
super-
. Its use as a prefix was rare in Latin.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary
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.
Cite This Source
Example sentences
Glover's autopsy, see
infra
, later confirmed that she died from strangulation.
Cranking out freelance articles to pay off one's marquisate bill, however, is unquestionably
infra
dig.
It acts to amplify
infra
-red emissions at some frequencies and suppress them at
others.
Elsewhere, agents have access to mobile lighting units, as well as hand-held
infra
-red cameras akin to night-vision goggles.
The actual detection is done by
infra
-red light, which reflects off the user's skin and clothes.
The taxes of course rise each year to expand the
infra
structure.
And there is a way of using
infra
-red to sense vegetation types by satellite.
With no pilot inside there is room for lots of gear: optical sensors, synthetic-aperture radar, forward-looking
infra
-red.
In the case of lidar, the waves are in the form of an
infra
-red laser beam sent from a satellite.
One idea is to use wireless
infra
-red skin sensors to measure blood-count, heart-rhythm and the level of oxygen in the blood.
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