terminator

Day-night boundary line

A terminator is something or someone that ends, limits, or finishes something.

In astronomy, the terminator is the boundary line between the illuminated and dark portions of a celestial body like the moon: The terminator crept across the lunar surface as the sun set.

In genetics, a terminator is a DNA sequence that signals the end of transcription.

In electronics, a terminator is a resistor at the end of a transmission line that prevents signal reflection.

The word also serves as general slang for anything that definitively ends or destroys something: That last exam was a real terminator. (Capitalized Terminator refers to the film franchise.)

genetics

transcription

Written version of speech

gene expression · reading frame · translation · ribosome

ending

conclusion

End or deduction

completion · culmination · finality · halt · stoppage · shutdown · finish · end · last stop

boundary

limit

Maximum allowed extent

demarcation · endpoint · delimiter · partition · perimeter · interface · margin · barrier · cutoff · terminus

astronomy

lunar surface

The moon's exterior terrain

electronics

resistor

Current-limiting circuit element

Categories
Opposites
ending vs beginning

terminatorinitiator

One who starts something

beginner · starter · inaugurator · originator · launcher

destruction vs creation

terminatorcreator

One who produces something

generator · maker · builder · establisher · life-giver

PROTECTOR VS KILLER (sci-fi/action context)

terminatorprotector

One who safeguards others

savior · guardian · defender · rescuer · preserver

Phrases
Family

terminate, termination, exterminate, terminated, indeterminate, terminating, determinate, terminates, terminations

Familiarity
Top 100,000
Profile
Known to kids · Timeless · Concrete · Negative · Everyday, not technical · Rated PG