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Definition of terminus

terminus

/ˈtɜːr.mɪ.nəs/
ter · mi · nus

Adverb:terminally
•
Plural:termini
•
Adjective:terminal
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terminus Lexical Profile

terminus Game Scores & Validity

• noun

1

British The final station or stop at the end of a railway line, bus route, or other transportation network.

Example

"All remaining passengers had to disembark when the commuter train arrived at the central terminus."


2

A final point in space or time; an extremity, boundary, or goal toward which something moves or develops.

Example

"The rocky coastal headland marks the eastern terminus of the long-distance hiking trail."


3

Either of the two free ends of a linear polymer, polypeptide chain, or chromosome (in biochemistry and molecular biology).

Example

"Researchers attached a fluorescent tag to the carboxyl terminus of the protein to track its movement inside the cell."

Synonyms
View all synonyms for terminus
Antonyms
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Word Nuance & Usage

While 'terminus' and 'terminal' both refer to the end of a transport route, 'terminus' (chiefly British) emphasizes the final stop on a railway or bus line, whereas 'terminal' more broadly denotes a large station building or airport passenger facility.

• Rhymes for terminus

Word Origin & Etymology

Borrowed in the mid-16th century directly from Latin 'terminus', meaning 'a boundary, limit, or end', which also personified Terminus, the Roman deity who protected boundary markers.

Cite this Entry


Wordmom. (2026). Definition of Terminus. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/terminus
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