a person who buys goods from the producer and resells them to the retailer or consumer. 2. a person who acts as an intermediary. [1785â95] Thesaurus Antonyms Related Words Synonyms Legend: Switch to new thesaurus . Noun: 1. middleman - someone who buys large quantities of goods and resells to merchants rather than to the ultimate customers. jobber, wholesaler
Mechanism (biology) In the science of biology, a mechanism is a system of casually interacting parts and processes that produce one or more effects. Scientists explain phenomena by describing mechanisms that could produce the phenomena. For example, natural selection is a mechanism of biological evolution; other mechanisms of evolution include genetic drift, mutation, and gene flow. In ecology, mechanisms such as predation and host-parasite interactions produce change in ecological systems. In practice, no descript
Machinery. a part, as a disk, wheel, or section of a shaft, having cut teeth of such form, size, and spacing that they mesh with teeth in another part to transmit or receive force and motion. an assembly of such parts. one of several possible arrangements of such parts in a mechanism, as an automobile transmission, for affording different relations ...