hun·dredth 
(hŭndrĭdth)
(hŭndrĭdth)n.
1. The ordinal number matching the number 100 in a series.
2. One of 100 equal parts.
hundredth adj.
- protonotary
- protonotary apostolic
- proton-proton chain
- proton pump inhibitor
- proton synchrotron
- proto-oncogene
- protopathic
- protopathy
- protoplanet
- protoplanetary disk
- protoplasm
- protoplasmal
- protoplasmatic
- protoplasmic
- protoplast
- protoplastic
- protoporphyrin
- protostar
- protostele
- protostelic
- protostome
- prototroph
- prototrophic
- prototrophy
- prototypal