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alter ego

1. Another name or identity that one assumes. He's a clean-cut accountant during the week, but on the weekend he indulges in hedonistic pursuits as his alter ego "Jack."
2. A separate or different aspect or element of one's personality, identity, or psyche. For such a quiet woman, she has a rage and temper at times that is like some alter ego.
3. A close, inseparable friend of very similar attitudes and interests. My girlfriend and I are so similar, we are like each other's alter ego.
4. A person who acts as a substitute for or copy of another person; a doppelgänger. Due to his increasingly failing health, the dictator's son has been running the country for the past month, essentially as his alter ego.
See also: alter, ego

Circumstances alter cases.

Prov. In unusual situations, people are allowed to do unusual things. Cashier: I'm sorry, this store does not accept personal checks. Customer: But I need this medicine, and I don't have any cash. I've shopped at this store for fifteen years. Surely you can trust me this once. Cashier: Well, all right. Circumstances alter cases.
See also: alter, case, Circumstance
References in periodicals archive ?
These practices remind us, at the graphic level, of the divisibility and the alterability of words, their permeability to alternate arrangement, variability, change.
The Omneo P5Q PCM combines serial NOR flash memory and EEPROM technology benefits into one by delivering byte alterability, faster programming times and greater endurance.
DataFlash devices have been designed specifically with the end applications in mind, addressing the four basic requirements that ideally must be met by nonvolatile memories: simple and flexible data manipulation, easy and efficient EEPROM emulation for true byte alterability, error detection and correction capabilities plus a fully useable memory array.
Phase change memory produces very fast read and write speeds at lower power than conventional NOR and NAND flash memory, and allows for bit alterability normally seen in RAM.
Next generation mobile phone platforms continue to demand ever increasing densities in smaller footprints with byte alterability, high-endurance and low-power consumption.
PCM is a promising new memory technology that provides very fast read and write speeds at lower power than conventional flash, and allows for bit alterability normally seen in RAM.