Industry

• Bulk cargo
  Bulk cargo
  Bulk cargo is commodity cargo that is transported unpackaged in large quantities. This cargo is usually dropped or poured, with a spout or shovel bucket, as a liquid or as a mass of relatively small solids , into a bulk carrier ship's hold, railroad car, or tanker truck/trailer/semi-trailer body...
  
  
• Bulk liquids
• Bulk mail
  Bulk mail
  Bulk mail broadly refers to mail that is mailed and processed in bulk at reduced rates. The term does not denote any particular purpose for the mail; but in general usage is synonymous with "junk mail."...
  
  
• Bulk material handling
  Bulk material handling
  Bulk material handling is an engineering field that is centered around the design of equipment used for the handling of dry materials such as ores, coal, cereals, wood chips, sand, gravel and stone in loose bulk form...
  
  
• Bulk pack, packaged bulk materials/products
• Bulk purchasing
  Bulk purchasing
  Bulk purchasing is buying products in large quantities at a lower price per item, or unit price, than is available for smaller quantities. Wholesale is selling or related to selling goods in large quantities for resale to the consumer. Retailing is buying products in bulk at wholesale, and selling...
  
  

Physics

• Bulk density
  Bulk density
  Bulk density is a property of powders, granules and other "divided" solids, especially used in reference to mineral components , chemical substances, ingredients, foodstuff or any other masses of corpuscular or particulate matter. It is defined as the mass of many particles of the material...
  
  
• Bulk modulus
  Bulk modulus
  The bulk modulus of a substance measures the substance's resistance to uniform compression. It is defined as the pressure increase needed to decrease the volume by a factor of 1/e...
  
  
• In brane cosmology
  Brane cosmology
  Brane cosmology refers to several theories in particle physics and cosmology motivated by, but not exclusively derived from, superstring theory and M-theory.-Brane and bulk:...
  
   and M-theory
  M-theory
  In theoretical physics, M-theory is an extension of string theory in which 11 dimensions are identified. Because the dimensionality exceeds that of superstring theories in 10 dimensions, proponents believe that the 11-dimensional theory unites all five string theories...
  
  , the bulk is a hypothetical higher dimensional space within which the eleven dimensions of our universe
  Universe
  The Universe is commonly defined as the totality of everything that exists, including all matter and energy, the planets, stars, galaxies, and the contents of intergalactic space. Definitions and usage vary and similar terms include the cosmos, the world and nature...
  
   (the three dimensions we can see, plus time, plus the seven extra dimensions that we can't see but M-theory
  M-theory
  In theoretical physics, M-theory is an extension of string theory in which 11 dimensions are identified. Because the dimensionality exceeds that of superstring theories in 10 dimensions, proponents believe that the 11-dimensional theory unites all five string theories...
  
   theorizes are all around us) may exist.

Fiction

• Bulk and Skull
  Bulk and Skull
  Bulk and Skull are fictional characters in the Power Rangers universe. They appeared as permanent cast members from Mighty Morphin Power Rangers until Power Rangers in Space...
  
  , a pair of characters in the Power Rangers
  Power Rangers
  Power Rangers is a long-running American entertainment and merchandising franchise built around a live action children's television series featuring teams of costumed heroes...
  
   universe.
• The Bulk, the main villain(s) in the 2010 movie, Mac on The Rocks
  Mac on the Rocks
  Mac on the Rocks is a 2010 independent film directed by Longinos G. . It centers around a young man named Mac that has a sudden run in with a ruthless gang of "Bulks".-Plot:...