a

• absorptivity;

• acceleration;

• accommodation;

• acidity;

• activated;

• ampere;

• anode;

• anterior;

• area;

• arterial blood;

• arterial;

• artery [Lat. arteria];

• atto-;

• autopsy;

• before [Lat. ante];

• thermodynamic activity;

• total acidity;

• water [Lat. aqua]

• sample y intercept of straight line

• before [Lat. ante]