What does combine mean?
To combine is to bring two or more distinct things together so that they form a single unified whole — whether ingredients in a recipe, ideas into an argument, or the strengths of different people working toward one goal. The word carries no particular emotional charge: it is precise, practical, and at home everywhere from chemistry labs ('combine hydrogen with oxygen') to business plans ('combine efficiency with creativity'). It also functions as a noun in two specialized senses — most familiarly as the combine harvester, the large farm machine that reaps, threshes, and winnows grain in a single operation, and less commonly as a term for an association of businesses formed to control a market. Derived from Latin roots meaning 'together' and 'two by two', combine belongs to the same family as combination and binary. Its flexibility across physical, abstract, and technical contexts makes it one of the most quietly useful verbs in English.
To join, merge, or blend two or more things together to form a single whole; to unite or act together for a common purpose.
"The designers combined glass and steel to striking effect."
Takes either concrete or abstract objects; often used in the pattern 'combine X with Y' or 'combine X and Y'.
A machine that cuts, threshes, and cleans grain crops in a single operation; or, less commonly, a group of businesses joined together to control production or prices.
"At harvest time, the combine worked the fields from dawn until dusk."
The machine sense is standard in agricultural English, often shortened informally to just 'combine'; the business sense is dated and formal.
Applies only to the noun senses, chiefly the harvesting machines.
"A dozen combines rolled across the wheat fields that September."
The farm machine called a 'combine' got its name because it combines three separate jobs — reaping, threshing, and winnowing — into one pass through the field.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of combine
The verb 'combine' entered English in the early 15th century from Middle French 'combiner', which itself derives from Late Latin 'combinare', formed from 'com-' ('together') plus 'bini' ('two by two'). The same Latin root gives English its related nouns 'combination' and adjectives such as 'combinatorial', alongside the broader 'bini'-based family including 'binary' and 'binomial'. The noun sense referring to the harvesting machine arose in the 19th century in American English, named directly for the multiple tasks it combines.
Related word forms
How combine is actually used
As a verb, 'combine' is neutral in register and works in both formal and everyday contexts, taking either concrete objects ('combine flour and water') or abstract ones ('combine patience with skill'). The verb can also be used reflexively in meaning 'to coexist' — as in 'a role that combines teaching with research'. The noun senses are more specialized: the farming machine is common in agricultural English (often shortened simply to 'combine'), while the business sense of 'combine' is somewhat dated and formal, largely superseded by terms like 'conglomerate'. Stress falls on the second syllable in both verb and noun, unlike some two-syllable verb–noun pairs where stress shifts.