eclectic method
- n making decisions on the basis of what seems best instead of following some single doctrine or style
ecg
- n a graphical recording of the cardiac cycle produced by an electrocardiograph
echelon
- n a body of troops arranged in a line
- n a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
eccentricity
- n strange and unconventional behavior
- n (geometry) a ratio describing the shape of a conic section; the ratio of the distance between the foci to the length of the major axis
a circle is an ellipse with zero eccentricity - n a circularity that has a different center or deviates from a circular path
ecchymosis
- n the purple or black-and-blue area resulting from a bruise
- n the escape of blood from ruptured blood vessels into the surrounding tissue to form a purple or black-and-blue spot on the skin