n. 接种体

[化] 接种物; 培养液

[医] 接种物

[ noun ]
a substance (a virus or toxin or immune serum) that is introduced into the body to produce or increase immunity to a particular disease
<noun.substance>

Inoculum \In*oc"u*lum\, n. (Microbiology)
The preparation of microorganisms which is inoculated[5] into
a growth medium; as, a small inoculum may not work well for
the production phase of a fermentation.
[PJC]