imperforate
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The 2nd or 1851 issue, as it is called in the circular, actually consisted of two series, the imperforate and perforate.
From History of the Postage Stamps of the United States of America by John Kerr Tiffany
Another, weighing 200 grams on February 3, 1952, still was imperforate, but by February 27 she was perforate and appeared to be in oestrus.
From Ecological Observations on the Woodrat, Neotoma floridana by Henry S. Fitch
The acetabulum for the head of the femur is imperforate, being a simple oval basin, as in Chelonian reptiles and the higher Mammals.
From Dragons of the Air An Account of Extinct Flying Reptiles by H. G. Seeley
Attempts are, however, made to palm off trimmed reprints as imperforate specimens.
From History of the Postage Stamps of the United States of America by John Kerr Tiffany
We also find all values occurring in an imperforate condition.
From Canada: Its Postage Stamps and Postal Stationery by Clifton Armstrong Howes
