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.
Although made and approved, this stamp is said to have been withheld from issue in this imperforate condition.
From History of the Postage Stamps of the United States of America by John Kerr Tiffany
In optical section "bubble-cells" have a certain resemblance to porocytes, but the cell is of course imperforate and not flattened.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
One female trapped on February 19, 1950, weighed only 140 grams and was still imperforate.
From Ecological Observations on the Woodrat, Neotoma floridana by Henry S. Fitch
The reprinted "Eagle" Carrier's stamp was first sent out perforated 12, the original was, of course, imperforate, and the stamps upon the sheet were separated by colored lines.
From History of the Postage Stamps of the United States of America by John Kerr Tiffany
The perforation is the usual 12 and specimens are known entirely imperforate.
From The Stamps of Canada by Bertram William Henry Poole