Definition of coagulum in US English:


nounPlural coagula

  • A mass of coagulated matter.

    • ‘Figures 13-15 show representative SEM images of the top and bottom surface, respectively, of a laser-generated coagulum.’
    • ‘Microscopic examination revealed blood flow stoppage due to complete stenosis and coagula completely filling the vessel.’
    • ‘Blood coagula were prepared by loading whole blood into custom-designed demountable cuvettes and then ‘painting’ the cuvette with 532 nm light from the VPC laser.’
    • ‘We also study the phenomenon in vitro, using cuvettes containing whole or diluted blood and laser-generated blood coagula.’
    • ‘A white coagulum forms and frequently extends many millimeters beyond the point of initial contact.’
    • ‘Protein is denatured, forming a viscous coagulum leading to hemostasis.’
    • ‘Refrigerate yogurt immediately after a firm coagulum has formed.’
    • ‘Each blood sample was used once only to avoid complications resulting from localized microvaporization nucleated by residual coagulum particles.’
    • ‘Although the samples were frozen during transport between laser irradiation and the MRI spectrometer, the setup time was sufficiently long that the samples thawed, the coagulum disintegrated and mixed with the native blood.’
    • ‘At a higher power, the coagulum of neutrophils and fibrin represent the suppurative thrombophlebitis of the portal vein complicating this man's Crohn's disease.’


Mid 16th century (denoting a coagulant): from Latin, literally ‘rennet’.