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1. One that terminates: a terminator of unpopular policies.
2. The dividing line between the bright and shaded regions of the disk of a moon or planet that is illuminated by the sun.
3. 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.


(Astronomy) the line dividing the illuminated and dark part of the moon or a planet


(ˈtɜr məˌneɪ tər)

1. one that terminates.
2. the dividing line between the bright side and the dark side of a moon or planet.
[1760–70; < Late Latin terminātor <terminā(re) to terminate]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.terminator - someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects)terminator - someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects)
killer, slayer - someone who causes the death of a person or animal
facteur de terminaisonterminateur
References in periodicals archive ?
The fate of John Connor (Bale) was always to lead the humans against the Terminators of Skynet, which has destroyed most of the human race in a nuclear holocaust.
John Connor (Bale), the leader of the resistance who is determined to defeat Skynet and its army of Terminators, learns that he and Kyle Reese (Star Trek's Anton Yelchin) are top of Skynet's hit list.
In post-apocalyptic 2018, John Connor (Christian Bale) leads the dwindling human race against Skynet and its relentless army of Terminators, flanked by his doctor wife Kate (Dallas Howard), second-in-command Barnes (Common) and feisty lieutenant Blair (Moon Bloodgood).
The nuclear landscapes, the burned out cities and skeletal Terminators - who seem able to shoot anything with bullseye precision except the stars of the movie.
His Terminators I and II were adrenaline-fuelled thoroughbreds, and T3 gave Arnold Schwarzenegger an action thriller farewell which didn't embarrass his brilliant legacy.
It is 2018 and Judgment Day has come and gone, with humanity now fighting a long-running battle with Skynet, which controls the Terminators who roam the postapocalyptic landscape.
The Warner Brothers Pictures film is set in post-apocalyptic 2018 with John Connor (Christian Bale) as the man fated to lead the human resistance against Skynet and its army of Terminators.
If' the Terminators attack like a school of piranhas, not even Tron's blazing sword could help it.
Duct terminators and terminator panels are designed for easy, time-saving installation and termination of all types and sizes of duct.
There's also a nice twist when the real-life human used as the model for the terminators turns up unexpectedly on the Connors' doorstep.
Arnold Schwarzenegger returns as the Terminator, doing what good Terminators do, in the workmanlike-yet-entertaining ``Terminator 3: Rise of the Machines.
SCSI bus segment terminator issues for single-ended and multimode terminators need close attention, as multimode terminators are capable of LVD and single ended termination.