Definition of terminator in English:

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Pronunciation: /ˈtərməˌnādər/


1A person or thing that terminates something.
Example sentences
  • Techniques intended to monitor foetal health became terminators of the female foetus.
  • In the end, I chose an electronic insect terminator, and I am not unhappy!
  • The public is given a fearful impression with images of Frankenstein foods, killer tomatoes, and terminator seeds.
1.1 Astronomy The dividing line between the light and dark part of a planetary body.
Example sentences
  • The terminator of the planet was visible at it's edge, and some artificial light brightened the thickening dusk on the night side.
  • Anyone standing on the surface of the moon would see the sun gradually rise as the terminator passes them and the area goes from dark to light.
  • Looking along the line separating the bright and dark halves (the terminator line), at you can make out a decently prominent crater near the top of the lower quarter.
1.2 Biochemistry A sequence of polynucleotides that causes transcription to end and the newly synthesized nucleic acid to be released from the template molecule.
Example sentences
  • If transcription through such DNA regions is impeded by means of a transcription terminator or by shutting off the promoter, hyperrecombination is abolished.
  • The upstream rRNA transcription terminator and a hairpin structure downstream of recD, which might work as a transcription terminator, are shown.
  • In wild-type chromosomes, these proteins are confined to the heterochromatic DNA sequences either by terminator sequences or by proximally directed initiators.

For editors and proofreaders

Syllabification: ter·mi·na·tor

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