premaxilla
Americannoun
noun
Other Word Forms
Derived Forms
Etymology
Origin of premaxilla
From the New Latin word praemaxilla, dating back to 1865–70. See pre-, maxilla
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 skull is unusual in having both an extensively ossified nasal septum, and a down-turned anterior region on the premaxilla that contacts the edge of the upper jaw.
From Scientific American • Nov. 9, 2013
Beneath the naris the maxilla extends as a broad tapering shelf, the ventral surface of which articulates with the premaxilla.
From Two New Pelycosaurs from the Lower Permian of Oklahoma by Fox, Richard C.
Extension of premaxillae posterior to nasals.—From the posteriormost border of the nasals to the posterior end of the extension of a premaxilla.
From Subspeciation in Pocket Gophers of Kansas, [KU. Vol. 1 No. 11] by Hall, E. Raymond (Eugene Raymond)
The upper jaw has a great bar of cartilage, the palato-pterygoid, as its sole support; the arch of premaxilla, maxilla, jugal, and squamosal-- all membrane bones-- is, of course, not represented.
From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)
The occipital, the parietal, and frontal, the bones which surround the internal ear, the vomer, the premaxilla, and the quadrate bones, may be given as examples.
From On the Genesis of Species by Mivart, St. George
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.