Magnetomotive force in physics, or Money Market Fund in finance. Can also refer to a sexual configuration involving two males and one female.
Multiple acronym meanings developed in different fields during the 20th century. MMF as magnetomotive force from electromagnetic theory; as money market fund from financial industry terminology.
The same three letters demonstrate how context completely determines meaning - from highly technical physics concepts to investment vehicles to intimate human arrangements. This exemplifies how acronyms can create entirely separate vocabularies within different discourse communities.
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