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 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 Seeley, H. G.

The Post Office Department were convinced that no irregularity could have occurred, but finally made an enquiry, and were, of course, compelled to believe the evidence of the existence of imperforate specimens.

From The Stamps of Canada by Poole, Bertram William Henry

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

The margin is rounded, and both surfaces are deeply concave though imperforate.

From Some Observations on the Ethnography and Archaeology of the American Aborigines by Morton, Samuel George

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 Tiffany, John Kerr