anacrotism Phys.
(əˈnækrətɪz(ə)m)
[f. as prec. + -ism.]
A secondary oscillation or notch occurring in the upward portion of the curve obtained in a sphygmographic or pulse-recording tracing; dicrotism occurring in the rise of the blood-wave.
| 1879 in Syd. Soc. Lex. |