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Noun: hypo  hI-pow
  1. A compound used as a fixing agent in photographic developing
    - sodium thiosulphate, sodium thiosulfate
  2. A piston syringe that is fitted with a hypodermic needle for giving injections
    - hypodermic syringe, hypodermic

Derived forms: hypos

Type of: fixer, fixing agent, syringe

Encyclopedia: Hypo