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
The reprinted three cents has the outer top and bottom lines of the original imperforate stamp.
From History of the Postage Stamps of the United States of America by John Kerr Tiffany
Rhabdamminina, rab-da-mi-nī′na, n. a group of marine imperforate foraminiferous protozoans.
From Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) by Various
The perforation is the usual 12 and specimens are known entirely imperforate.
From The Stamps of Canada by Bertram William Henry Poole
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
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