spike

spike (spik) a sharp upward deflection in a curve or tracing, as on the encephalogram.

---

spike (spk)

n.

A brief electrical event of 3 to 25 milliseconds that gives the appearance in the electroencephalogram of a rising and falling vertical line.

---

spike

1. a sharp upward deflection in a curve or tracing, as on the encephalogram.

2. prepare samples with a known amount of substance for testing laboratory proficiency.