Prom definition

prŏm
(Programmable ROM) A permanent memory chip in which the content is created (programmed) by the customer rather than by the chip manufacturer. It differs from a ROM chip, which is created at the time of manufacture. PROMs are used for storage when their content is not expected to change, but in many applications, they have given way to EPROMs and EEPROMs, which can be reprogrammed. See PROM programmer, memory types and EEPROM.
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A formal dance held for a high-school or college class typically at or near the end of the academic year.
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A kind of read-only memory whose contents can be set after manufacture, but only once.
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Promontory.
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A ball or dance, as of a particular class at a school or college.
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Promontory.
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A type of ROM chip that can be programmed to a particular user's needs.
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Prom is a formal dance that usually takes place at the end of your senior or junior year of high school.

An example of a prom is a big formal dance at the end of your senior year of high school.

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(UK, abbreviation) Promenade.
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(US) A formal ball held at a college near the end of the academic year.
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Other Word Forms

Noun

Singular:
prom
Plural:
proms

Origin of prom

  • p(rogrammable) r(ead-)o(nly) m(emory)

    From American Heritage Dictionary of the English Language, 5th Edition

  • Short for promenade

    From American Heritage Dictionary of the English Language, 5th Edition

  • Abbreviation of promenade.

    From Wiktionary