What does concatenate mean?
Concatenate means to link or join things together in a connected series, like links in a chain. The word is used most frequently in computing, where programmers concatenate strings — that is, attach one piece of text directly to the end of another to form a longer single string. It also applies outside computing: one might concatenate several video clips into a continuous reel, or concatenate a set of reports into a single file. What distinguishes concatenation from simple merging is the preservation of order and adjacency — the joined elements remain intact and sequential rather than being blended or reorganised. The term derives from the Latin 'catena', meaning chain, which neatly captures its core idea. Because of its precise, technical flavour, concatenate tends to appear in formal writing and specialist contexts, while more casual conversation usually opts for simpler verbs such as join, combine, or stick together. Its noun form is 'concatenation'.
verbTo link or join things together in a series or chain, especially strings of text, data, or documents combined end to end into a single sequence.
- To link or join things (especially strings, files, or data) together in a series.
- (Computing) To combine two or more strings or sequences of data into a single string by appending one to the end of another.
"The script concatenates the log files into one archive for easier analysis."
"You can concatenate several PDF files into a single document before sending them."
"In Python, you concatenate two strings using the plus operator."
The word 'concatenate' comes from the Latin 'catena' meaning chain — so when programmers concatenate strings, they are literally forging a chain of text.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of concatenate
Concatenate comes from the Latin verb 'concatenare', formed from 'con-' (together) and 'catena' (chain), literally meaning to chain together. The word entered English in the late sixteenth or early seventeenth century, initially carrying the general sense of linking things in a series. Its modern prominence owes much to computer science, where concatenating strings became a fundamental operation from the earliest days of programming. Cognates and related terms sharing the Latin root include 'catena' itself and 'concatenation', the noun form describing the resulting chain or sequence.
Related word forms
How concatenate is actually used
Most commonly used in computing and technical contexts when combining text strings, files, or data. In general usage it retains a slightly formal tone; everyday speech often prefers 'join' or 'combine'.
Easily confused with concatenate
To coincide is to occur at the same time or be identical, while to concatenate is to link items sequentially in a chain.
Consolidate means to combine into a single stronger whole, whereas concatenate specifically means joining items end to end preserving their order.