(n.) A protuberance; a swelling; a knob; a button; hence, rising ground; a summit. See Knob, and Knop.
(v. t.) To bite; to bite off; to break short.
(v. t.) To strike smartly; to rap; to snap.
(v. i.) To make a sound of snapping.
(n.) A sharp blow or slap.
Example Sentences:
(1) The pH-rate profile for inactivation of the RTEM-1 cysteine beta-lactamase by iodoacetate supports previous evidence [Knap & Pratt (1989) Proteins Struct.
(2) Photograph: Dixe Wills Size: 0.09sq miles Around 5,000 years ago, the community living at the Knap of Howar on Papa Westray crossed over to the Holm of Papay to build a burial cairn in which to lay their loved ones to rest.
(3) I thought this was all fair enough, although surely, I cavilled, if building simulacra of Neolithic houses and learning how to flint knap is our new route to the past, then really the actual monument itself is somewhat besides the point.
(4) On a hot day last week, workers from Poland and Bulgaria were spreading straw across fields of strawberries while the knapped flint of Hoo's several 13th-century churches shone in the sun.
(5) At the village of Knap o'Howar on Papay the bones of domesticated cattle, sheep and pigs have been found alongside those of wild deer, whales and seals, for example, while analysis of human bones from the period suggest that few people reached the age of 50.
Protuberance
Definition:
(n.) That which is protuberant swelled or pushed beyond the surrounding or adjacent surface; a swelling or tumor on the body; a prominence; a bunch or knob; an elevation.
Example Sentences:
(1) The protuberances arose after an exposure of early-exponential phase cells to digestive enzymes from hepatopancreas of Helix pomatia.
(2) The patient's main phenotypic features were short-limb dwarfism, craniofacial disproportion with prominent forehead, short neck and trunk with pectus carinatum, and platyspondyly, protuberant abdomen, acromesomelic shortness of limbs, bilateral palm simian crease, short feet with brachydactyly of the 2nd toe, and prominent heels.
(3) The active zones were distinguishable as regions with an increased density of large particles and vesicle attachment sites represented by P face depressions and E face protuberances.
(4) Rotary-replication of quick-frozen, etched postsynaptic membranes enhanced the visibility of these surface protuberances and illustrated that they often occur in dimers, tetramers, and ordered rows.
(5) Comparison of this patient with thirteen previously published cases of this trisomy reveals a pattern of common features including: peculiar craniofacial dysmorphism--facial asymmetry, antimongoloid slant, narrow or short palpebral fissures, prominent nose, long upper lip, micro or retrognathia, high arched palate, low set ears, malformed ears, protuberant occiput--, abnormal fingers and toes, short neck, mental and growth retardation, cardiopathy, respiratory distress etc..
(6) A 51-year-old Caucasian man presented with a yellowish lesion containing multiple protuberances over his right cheek.
(7) Other features which conform to previous reports are a peculiar face with a long philtrum, protuberant lower lip, relative micrognathia, large dysplastic ears, excessive loose skin folds around the scalp, neck and trunk, large hands with camptodactyly, varus deformities of the feet and a hoarse, low-pitched voice.
(8) Characteristic protuberant structures were observed on cells of all cellulolytic strains.
(9) In osteo-onychodysostosis, characteristic osseous horns arise from the posterior iliac wings, whereas in Type IX Ehlers-Danlos syndrome, similar protuberances extend inferiorly from the occiput.
(10) The indentations and protuberances of the cranial bones in the region of the middle cranial fossa were regarded as reflecting prominent indentations of the gyri and were attributed no pathological significance.
(11) Some ciliated cells were also seen to exhibit protuberant mucus protrusion.
(12) An artifactual protuberance at the surface of the liver in connection with an incomplete acoustic shadow is described.
(13) Patients develop a thoracic kyphosis, a lumbar lordosis, and a protuberant abdomen with prominent horizontal skinfold creases.
(14) Upon further incubation at 37 degrees C, Con A was internalized over the entire cell periphery of the rounded, untreated cells but on collagenase-treated PMNs was rapidly gathered into a cap overlying the uropod or protuberant region of cytoplasm where it was subsequently internalized.
(15) Oxystomatous crabs of the subfamily Calappinae, particularly the genus Calappa, possess a large tooth on the dactyl and a pair of protuberances on the propodus of the right cheliped.
(16) The first case was a six-year-old girl with tumor in the right nostril and epipharynx, the second was a 66-year-old male patient with protuberances in the hypopharynx.
(17) The protuberant form of the papilla developed much earlier than the calyceal muscle which was observed in the late stage of intrauterine life.
(18) In the margin of non cornified squamous cell carcinomas there are as well bud-like cytoplasmic protuberances like microvilli as microplicae.
(19) The young cyst is enclosed by a cyst wall containing numerous small protuberances.
(20) When this fundamental plane was projected to the lateral view on CT scan, it appeared to be almost identical to the line connecting the tip of posterior clinoid process to the internal occipital protuberance (the fundamental line).