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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

1. Under, below, or lower
   - hyp-
    
2. (medicine) below normal or deficient
   - hyp-
    
3. Slightly or partial
   - hyp-

Derived forms: hypos

Type of: fixer, fixing agent, syringe

Encyclopedia: Hypo