elective (Noun) Something that is option or that may be elected, especially a course of tertiary study. elective (Adjective) Of, or pertaining to voting or elections. elective (Adjective) That involves a choice between options; optional or discretionary. My insurance wouldn't pay for the operation because it was elective surgery.
the mellotron is an electro mechanical polyphonic tape replay keyboard originally developed and built in birmingham england in 1963it evolved from a similar instrument the chamberlin but could be mass produced more effectivelyroduction of the mellotron ceased in 1986 but it regained popularity in the 1990s and was used by several notable bands this led to the resurrection of the original manufacturer streetly electronics
The cephalon (orange in figure below) is a head shield composed of fused segments containing a trilobite's main sensory organs (eyes, antennae), as well as the mouth and a special ventral plate called the hypostome, thought to function as a mouthpart.s a major trilobite feature with many parts that vary greatly between species and higher taxa (from genera to families, superfamilies, suborders, and orders), the cephalon provides details particularly important in trilobite classification. Pages dedicated to cephalic features are listed below.