Main definitions of sprue in English

: sprue1sprue2

sprue1

noun

  • 1A channel through which metal or plastic is poured into a mould.

    • ‘Also, when trimming the plates from the sprues, make sure you trim the flash from the bottom of the recessed tab to let the courses sit level.’
    • ‘After solidification and cooling, the metal is in a white iron state, and gates, sprues, and feeders can be easily removed from the castings by impact.’
    • ‘A rough or torn looking sprue cut on the base says you're not waiting long enough before striking off the sprue.’
    • ‘Medical device molding applications and other processes that involve small sprues and runners are among the target markets for the machine.’
    • ‘The Sesame is designed so that molders can use a smaller runner and sprue, which gives them more control over the amount of plastic and pressure used to form the part itself.’
    1. 1.1 A piece of metal or plastic which has solidified in a sprue, especially one joining a number of small moulded plastic items.
      • ‘Only one similar sprue has been found before in Britain, at Duston, Northamptonshire, alongside early 4th century coin moulds and discarded spoil castings.’
      • ‘Analysis of the sprue showed that it was made of exactly the same metal as the coins.’

Origin

Early 19th century: of unknown origin.

Pronunciation:

sprue

/spruː/

Main definitions of sprue in English

: sprue1sprue2

sprue2

noun

  • 1[mass noun] Disease of the small intestine causing malabsorption of food.

    1. 1.1 A disease characterized by ulceration of the mouth and chronic enteritis, suffered by visitors to tropical regions from temperate countries.
      • ‘Emaciated patients suffering from chronic sprue can also take buttermilk preferably before noon.’
      • ‘The patient was then started on tetracycline (presumably for empiric treatment of tropical sprue), which he continued for 1 year without symptomatic improvement.’
      • ‘It may contribute to malabsorption in tropical sprue.’
      • ‘Next to tropical sprue, it is the most important cause of malabsorption syndrome in India.’
    2. 1.2
      another term for coeliac disease
      • ‘For someone suffering from celiac disease, also called celiac sprue or celiac enteropathy, all forms of gluten are toxic to the digestive system.’
      • ‘I have non-tropical sprue, and I find it difficult to get enough grain servings in my diet.’
      • ‘Other conditions to consider include celiac sprue and lactose or fructose intolerance.’
      • ‘Extensive elimination diets such as those for celiac sprue should be supervised by a gastroenterologist.’
      • ‘But, for people with gluten intolerance, or celiac sprue, the body perceives gluten as a foreign substance and responds with a full-blown immune response.’

Origin

Late 19th century: from Dutch spruw thrush; perhaps related to Flemish spruwen sprinkle.

Pronunciation:

sprue

/spruː/