There are 3 definitions of hypo in English:

hypo1

Syllabification: hy·po
Pronunciation: /ˈhīpō
 
/

noun

Photography
The chemical sodium thiosulphate (formerly called hyposulphite) used as a photographic fixer.
More example sentences
  • I use four teaspoons of hypo (sodium thiosulfate) in a liter of water and add a quarter-ounce of solution B.
  • Salted paper is usually fixed in a 10% solution of hypo (100 grams of sodium thiosulfate in 1 liter of water) for 10 minutes.
  • The print was toned for 2 minutes in selenium toner, followed by a 3 minute wash, 3 minutes in hypo clearing agent, and a 1 hour wash.

Origin

mid 19th century: abbreviation of hyposulphite.

Definition of hypo in:

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Word of the day neoteny
Pronunciation: nēˈätn-ē
noun
retention of juvenile features in the adult animal

There are 3 definitions of hypo in English:

hypo2

Syllabification: hy·po
Pronunciation: /
 
ˈhīpō/

noun (plural hypos)

Informal term for hypodermic.
More example sentences
  • He gyrated a little after the hypo injected, then tossed it over his shoulder.
  • He pressed mainline sedation hypos against our skin.
  • There is also a variety of equipment to use including med-kits, fire extinguishers, blood-test hypos, and flares.

Origin

early 20th century: abbreviation.

Definition of hypo in:

There are 3 definitions of hypo in English:

hypo3

Line breaks: hypo
Pronunciation: /ˈhʌɪpəʊ/

Entry from British & World English dictionary

noun (plural hypos)

informal
An attack of hypoglycaemia.

Origin

late 20th century: abbreviation.

Definition of hypo in: