noun. One that terminates.

noun. The dividing line between the bright and shaded regions of the disk of a moon or planet that is illuminated by the sun.

noun. A sequence of nucleotides that signals the end of transcription or translation and the completion of the synthesis of a nucleic acid or protein molecule.

noun. One who or that which terminates.

noun. In astronomy, the dividing-line between the illuminated and the unilluminated part of a heavenly body.

noun. One who, or that which, terminates.

noun. The dividing line between the illuminated and the unilluminated part of the moon.

noun. One who finishes.

noun. A DNA sequence which causes RNA transcription to cease and an mRNA transcript to break off.

noun. An electrical device that absorbs reflection at the end of a transmission line.

noun. The line between the day side and the night side of a planet.

noun. An artificial intelligence machine, created to destroy humans (after the 1984 film The Terminator).

noun. someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects)

killer  slayer  

exterminator  

'/'  day-night  doubleheader  herbivore  primary-response  

grey line