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hypo1

[hahy-poh]Informal.
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noun, plural hy·pos.
  1. a hypodermic syringe or injection.
  2. a stimulus or boost.
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verb (used with object)
  1. to administer a hypodermic injection to.
  2. to stimulate by or as if by administering a hypodermic injection.
  3. to increase, boost, or augment: to hypo the car's power by installing a bigger engine.
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Origin of hypo1

by shortening of hypodermic; sense “stimulate” perhaps by association with hype1; see -o

hypo2

[hahy-poh]
noun
  1. sodium thiosulfate.
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Origin of hypo2

First recorded in 1860–65; shortening of hyposulfite

hypo3

[hahy-poh]
noun Archaic.
  1. hypochondria.
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Origin of hypo3

by shortening

hypo-

  1. a prefix appearing in loanwords from Greek, where it meant “under” (hypostasis); on this model used, especially as opposed to hyper-, in the formation of compound words (hypothyroid).
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Also especially before a vowel, hyp-.

Origin of hypo-

< Greek, combining form of hypó under (preposition), below (adv.); cognate with Latin sub (see sub-); cf. up
Can be confusedhyper- hypo-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hypo

Historical Examples

  • They spotted him and a confederate slipped a hypo into his arm.

    Poisoned Air

    Sterner St. Paul Meek

  • Iodide of silver, dissolved in a saturated solution of hypo.

  • It is necessary that prints to be toned shall contain no trace of hypo.

  • This can best be effected just after the prints come from the hypo.

  • It muttered and clucked to itself as it used the hypo which Johnny could not feel.

    Far from Home

    J.A. Taylor


British Dictionary definitions for hypo

hypo1

noun
  1. another name for sodium thiosulphate, esp when used as a fixer in photographic developing
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Word Origin

C19: shortened from hyposulphite

hypo2

noun plural -pos informal
  1. short for hypodermic syringe
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hypo-

before a vowel hyp-

prefix
  1. under, beneath, or belowhypodermic
  2. lower; at a lower pointhypogastrium
  3. less thanhypoploid
  4. (in medicine) denoting a deficiency or an abnormally low levelhypothyroid; hypoglycaemia
  5. incomplete or partialhypoplasia
  6. indicating that a chemical compound contains an element in a lower oxidation state than usualhypochlorous acid
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Word Origin

from Greek, from hupo under

Hypo-

prefix
  1. indicating a plagal mode in musicHypodorian
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Word Origin

from Greek: beneath (it lies a fourth below the corresponding authentic mode)
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

Word Origin and History for hypo

n.

1711, "depression," short for hypochondria; 1904 as short for hypodermic needle.

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hypo-

word-forming element meaning "under, beneath" (in chemistry, indicating a lesser oxidation), from hypo-, comb. form of Greek hypo (prep. and adverb) "under," from PIE *upo- "under, up from under, over" (see sub-).

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Online Etymology Dictionary, © 2010 Douglas Harper

hypo in Medicine

hypo

(hīpō)
n.
  1. A hypodermic syringe.
  2. A hypodermic injection.
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hypo-

pref.
  1. Below; beneath; under:hypochondriac.
  2. Less than normal; deficient:hypofunction.
  3. In the lowest state of oxidation:hypoxanthine.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

hypo in Science

hypo-

  1. A prefix that means “beneath“ or “below,” as in hypodermic, below the skin. It also means “less than normal,” especially in medical terms like hypoglycemia. In the names of chemical compounds, it means “at the lowest state of oxidation,” as in sodium hypochlorite.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.