Definition of protuberance in English:



  • 1A thing that protrudes from something else.

    ‘some dinosaurs evolved protuberances on top of their heads’
    • ‘Some specimens formed massive attachment structures from the protuberances on the transverse ridges.’
    • ‘Beetles are usually identified by observing differences in the male's genitalia, which sport all sorts of uncomfortable-looking protuberances.’
    • ‘There you will find a pair of hard protuberances lying flush to its scales.’
    • ‘The ridges form irregularly situated protuberances that house hollow spines usually 0.05-0.06 mm wide and up to 0.12 mm long.’
    • ‘It has very few bumps or protuberances, and the surface has as mirror-like a sheen as you can get from white plastic.’
    • ‘Some of their protuberances project close to a metre above what can be vaguely discerned as the original road surface.’
    • ‘The tree is grand and huge, its girth perhaps five metres, and the knotted protuberances of the base cover a huge area.’
    • ‘Interrill flow, also known as sheet flow, sheet wash, or slope wash, generally appears as a thin layer of water with threads of deeper, faster flow diverging and converging around surface protuberances, rocks, and vegetation.’
    • ‘One could lean over from one of those little teensy protuberances of rock, ice, gravel and snow and stare straight down at infinity.’
    • ‘Others suggest that protuberances from the epidermis increased photosynthetic surface area on plants that were now growing taller, with thicker stems and more biomass to support.’
    • ‘If you don't take these weedy protuberances for a failed hanging basket display, you might be interested to learn it is designed to mark the passage of time over 12 years, which is how long it takes a good whisky to mature.’
    • ‘Beaked whales, distinguished by the strange, teeth-like protuberances from their lower jaws, have been around virtually unchanged for 30 million years, but are still the least studied large mammal in the world.’
    • ‘And, as mentioned earlier, the ceramics are sexy, with their curves and protuberances and hidden spaces.’
    • ‘Another feature of this patent was the use of protuberances, which interlocked into holes in the joint plates to keep an extended rule straight when open.’
    • ‘The cell containing the infection thread, or the neighbouring cell, has green-stained protuberances on its periclinal walls.’
    • ‘A number of works, however, feature clusters of dark, leathery-looking, phallic protuberances and spiky forms that suggest the shapes of devil's horns mentioned in the poems.’
    • ‘Almost elephantine with its twin probosci and large, intelligent eyes, it alternated between curling the forward lobes into tight horn-like protuberances or dropping them down to shovel plankton into its cavernous maw.’
    • ‘In his large-scale drawings, body organs morph into metallic configurations with colorful, yet indistinct protuberances.’
    • ‘During a class on operant conditioning, I asked whether anyone had placed a rat trained to press a bar for food into a naturalistic setting to see if it would get on its hind legs to press twigs or similar protuberances.’
    • ‘The protuberances remain small during initiation of the first sepals, and they disappear completely in the course of floral development.’
    bump, lump, knob, hump, jut, projection, prominence, protrusion, overhang, eminence, ledge, shelf, ridge, swelling, bulge, excrescence, outgrowth, growth, carbuncle
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    1. 1.1mass noun The fact or state of protruding.
      ‘the large size and protuberance of the incisors’
      • ‘The placoderms and chondrichthyans both show at least some capsular protuberance of the braincase, but the braincase is a single, undivided mass, whether or not ossified.’
      sticking out, jutting, projection, projecting, obtrusion, obtruding, prominence, protrusion
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