See Also: Fractured(medicine)
fractured(dictionary)
Fractured hip(health)
Portland(dictionary)
Portland(encyclopedia)
Portland(dictionary)
Portland(tourism)
Portland Vase(encyclopedia)
portland cement(encyclopedia)
haemoglobin Portland(medicine)

portland cement (sh) and Fractured hip (health)


portland cement (sh)




Binding agent of present-day concrete.

It is a finely ground powder made by burning and grinding a limestone mixed with clay or shale. Its inventor, Joseph Aspdin (1799-1855), patented the process in 1824, naming the material for its resemblance to the limestone of the Isle of Portland, England. The cement combines chemically with the water it is mixed with, then hardens and strengthens.


Fractured hip (health)


Broken bone in the hip, a key Health problem among the elderly, usually due to a fall or Other kind of trauma involving direct impact to the hip bone which has been weakened by osteoporosis. The part of the hip most often broken is the greater trochanter of the femur.