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.
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 Charles Darwin
For imperforate stamps in this series we find the 1 cent, yellow, and the 15 cents in a peculiar shade of brown violet.
From Canada: Its Postage Stamps and Postal Stationery by Clifton Armstrong Howes
There are a good many specimens of these stamps imperforate, and they were on sale at a Canadian Post Office.
From Canada: Its Postage Stamps and Postal Stationery by Clifton Armstrong Howes
It would probably be impossible to remove the perforation so as to make this stamp pass for an imperforate specimen and then it would lack the projection of the original.
From History of the Postage Stamps of the United States of America by John Kerr Tiffany
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 Henry S. Fitch
