What's the difference between boulder and pebble?

Boulder


Definition:

  • (n.) Same as Bowlder.
  • (n.) A large stone, worn smooth or rounded by the action of water; a large pebble.
  • (n.) A mass of any rock, whether rounded or not, that has been transported by natural agencies from its native bed. See Drift.

Example Sentences:

  • (1) Given how Bank forecasts have been all over the shop, it is possible that the Old Lady's spreadsheet wizards could scupper Mr Carney's plans by spying a speck of price pressure and panicking about it turning into a giant inflationary boulder.
  • (2) Avery has built its reputation on several well-liked bottled beers and a whole lot more taproom-only brews, usually among Boulder's most adventurous and varied.
  • (3) In a letter signed by both Donald Trump and Ben Carson, the candidates threaten not to participate in the next GOP debate scheduled to be held on 28 October in Boulder, Colorado, if certain conditions are not met.
  • (4) A recent study at the University of Colorado–Boulder asked managers to mark their employees on a range of factors, including performance, competence and “diversity-valuing behaviour”.
  • (5) Katharina Booth, chief of the sexual assault unit in the Boulder County district attorney’s office, which prosecuted the Wilkerson case, said she’s concerned about the “chilling effect” of the light sentences.
  • (6) "This study provides a clear example of how increased greenhouse gases are now changing our climate, ending at least 2,000 years of Arctic cooling," said Caspar Ammann , a climate scientist and co-author of the report at the National Centre for Atmospheric Research in Boulder, Colorado.
  • (7) The next Republican debate will be held on 28 October in Boulder, Colorado.
  • (8) The Kalgoorlie-Boulder-Kambalda area in arid inland Western Australia receives its water supply from distant Perth, through a pipeline constructed in the fabulous goldrush period at the turn of the century.
  • (9) Survival of Boulder and La Foret flies, and their interpopulation hybrid, was determined after exposure to -2 degrees at two humidities.
  • (10) In response to the request, Dr Caspar Ammann, a scientist at the National Centre for Atmospheric Research in Boulder, Colorado, wrote back to three scientists, including the CRU's director, Dr Phil Jones: "Oh MAN!
  • (11) The water of Boulder Spring contains about 3 mug of sulfide per ml.
  • (12) Most designations of bike-friendliness have gone not to proper cities but college towns: Davis, Boulder, Long Beach, Iowa City – places that, while pleasant enough, command little national, let alone international import.
  • (13) He is currently involved in a new project in Boulder to install batteries in homes, in order to ease the strain on power plants and avoid costly rewiring as the sizes of neighborhoods change.
  • (14) Group E was excised with a Surgistat electrocautery (Valley Labs, Boulder, CO).
  • (15) Others have said formal ties would make it appear that Boulder was taking sides in the Israeli-Palestinian conflict.
  • (16) Meanwhile, two people closer to Mann — Caspar Ammann of the National Centre for Atmospheric Research in Boulder, Colorado and Eugene Wahl of Alfred University, New York — claimed that most of the difference between the findings of Mann and M&M had nothing to do with statistical methods.
  • (17) A common analogy to aging is that of a boulder being worn down to rubble by the unremitting onslaught of time.
  • (18) However, based on the latest data about the much greater area of thin first-year ice and losses of multi-year ice, especially that of five years or more, they believe that in volume terms last summer was the lowest since records began in the 1930s – and probably for at least 700 years and possibly up to 8,000 years, said Walt Meier, a research scientist at the Boulder-based centre.
  • (19) Dotted around are piles of red and orange rocks of various sizes, from boulders to pebbles.
  • (20) After remembering to fill in the visitors’ book – and taking out any excess rubbish you can carry – carefully retrace your steps back down to the big boulder you left yesterday.

Pebble


Definition:

  • (n.) A small roundish stone or bowlder; especially, a stone worn and rounded by the action of water; a pebblestone.
  • (n.) Transparent and colorless rock crystal; as, Brazilian pebble; -- so called by opticians.
  • (v. t.) To grain (leather) so as to produce a surface covered with small rounded prominences.

Example Sentences:

  • (1) The Campbell family has been breeding ponies in Glenshiel for more than 100 years and now runs a small pony trekking centre offering one-hour treks along the pebbly shores of Loch Duich and through the Ratagan forest as well as all-day trail rides up into the hills for the more adventurous.
  • (2) His neat nails were polished like pebbles and his voice had a soothing, almost balsamic, tone.
  • (3) Google celebrates the Mayan calendar in today's doodle Updated at 1.10pm GMT 9.46am GMT How to destroy the Earth In part two of our apocalypse video series, I demonstrate how the world could end using a variety of household props, including a Christmas pudding, a blow torch, some pebbles from my garden and a miniature snooker table.
  • (4) The approach to the checkpoint was covered in pebbles so we had to drive very slowly.
  • (5) So while I still like my Pebble (I've set it to show when I get a call; texts are in the past), there's a bitter aftertaste.
  • (6) No one knows how many people live in the redbrick and pebble dash dwellings along the pitted streets of Ciudad Bolívar; estimates range from 700,000 to more than a million.
  • (7) A 17-year-old white boy with signs, symptoms, and family history of angiokeratoma corporis diffusum universale, Anderson-Fabry disease (AFD), developed recurrent and then persistent swelling of both lips, erythematous hyperplastic gingivae, and a pebbled tongue.
  • (8) Two men aged respectively of 65 and 28 years presented a cobblestone appearance of the gingiva and of the tongue ("pebbly tongue"), which suggested Cowden disease.
  • (9) The old warehouses that edge the small pebble beach and sapphire-blue water are still owned by the same families, but they have now been converted into a rather special hotel.
  • (10) There is a long history of people coming here to build their makeshift beach bothies along the shoreline, making use of whatever materials the waves deposit among the giant pebbles.
  • (11) These divisions might therefore rely on maternally contributed pebble function.
  • (12) If you appeared on one of the three television channels, and she did so an awful lot, be it Pebble Mill at One , TV-am or her own series, 10 million people or more would watch you at a time – huge numbers compared with today.
  • (13) Natural objects (pebbles or pieces of mica) were also pressed into the wet clay, while in the palaces, pillars were covered with bronze plaques illustrating the victories and deeds of former kings and nobles.
  • (14) Traeth Yr Eifl, near Caernarfon, Gwynedd Traeth Yr Eifl beach, Wales Photograph: Rob Smith The best walk to this pleasant pebbly beach comes up over the cliffs that frame Morfa, a National Trust owned nature reserve.
  • (15) But it doesn't work that way: you may have "less gravel", but most writers agree that you can only have "fewer pebbles", not "less pebbles".
  • (16) Reported is a case representing an unusual form of geophagia, in which ingestion of pebbles by a 27-year-old mentally retarded woman resulted in impaction and complete filling of the colon with pebbles.
  • (17) Nasa geologists said the rounder shape of some of the pebbles suggested they had travelled long distances from above the crater rim.
  • (18) With a thick Brooklyn accent so gravelly it sounds like he swallowed a bag of pebbles before coming on stage, he tells the crowd in Burlington later that night that he is less about change and more about revolution.
  • (19) Dotted around are piles of red and orange rocks of various sizes, from boulders to pebbles.
  • (20) We can talk about "many pebbles" but not "much pebbles", "much gravel" but not "many gravel".