'birthrate' definitions:

Definition of 'birthrate'

From: WordNet
noun
The ratio of live births in an area to the population of that area; expressed per 1000 population per year [syn: birthrate, birth rate, fertility, fertility rate, natality]

Definition of 'birthrate'

From: GCIDE
  • birthrate \birthrate\n. the ratio of live births in an area to the population of that area; usually expressed as birthes per 1000 population per year.
  • Syn: fertility, fertility rate. [WordNet 1.5]