pe·tri dish 
(pētrē)
(pētrē)n.
A shallow circular dish with a loose-fitting cover, used to culture bacteria or other microorganisms.
[After Julius Richard Petri (1852-1921), German bacteriologist.]
petri dish- hydrometrical
- hydrometrically
- hydrometry
- hydromorphone
- hydronaut
- hydronephrosis
- hydronic
- hydronium
- hydropath
- hydropathic
- hydropathical
- hydropathist
- hydropathy
- hydrophane
- hydrophanous
- hydrophile
- hydrophilic
- hydrophilicity
- hydrophilous
- hydrophily
- hydrophobia
- hydrophobic
- hydrophobicity
- hydrophone
- hydrophyte