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 labels were normally perforated the usual 12, but the same journal for April 13, 1892 reports that a whole sheet had been seen in an imperforate condition.

From Canada: Its Postage Stamps and Postal Stationery by Howes, Clifton Armstrong

In a young condition they are tubular, but not folded; and often, according to Prof. Macgillivray, either one or both are at first imperforate.

From A Monograph on the Sub-class Cirripedia With Figures of all the Species. by Darwin, Charles

We illustrate a pair of the 2 cent imperforate on a registered cover mailed at Como, Quebec, on March 20, 1905.

From Canada: Its Postage Stamps and Postal Stationery by Howes, Clifton Armstrong

Anoestrus females are imperforate, and a vaginal orifice is present only during an active oestral cycle or in pregnancy.

From Aspects of Reproduction and Development in the Prairie Vole (Microtus ochrogaster) by Fitch, Henry S.

We also find all values occurring in an imperforate condition.

From Canada: Its Postage Stamps and Postal Stationery by Howes, Clifton Armstrong