(Christianity) A mass resembling a High Mass, but without some of its special ceremonies.

plural of thermal mass

plural of mass shooting

(Roman Catholicism) The oldest anaphora used in the Roman rite of Mass.

(medicine) The anatomic and physiological effect that an ectopic mass (such as a tumor, hematoma, or pleural effusion) causes by displacing or pushing against eutopic structures. It may squeeze and thus occlude blood vessels or lymphatic vessels; pinch nerves; disrupt gastrointestinal volume and peristalsis; and so on.

plural of mass flow

(physics) Half of the harmonic mean of two given masses.

(physics) mass defect

A requisition of all able-bodied men for military service.

plural of mulberry mass