| 释义 |
cen·trum
\ˈsen.trəm\ noun
(plural centrums \-rəmz\ ; or cen·tra \-rə\)
Etymology: Latin — more at center
1. : the body of a vertebra
2.
a. : the central air space in hollow-stemmed plants especially of the horsetails (genus Equisetum)
b. in fungi : the tissue within the hard rind of many perithecia including the asci — called also core
3. : centrosome
4. : the point, line, or place within the earth from which an earthquake wave is propagated |