meaning of phage

1. phage A program that modifies other programs or databases in unauthorised ways; especially one that propagates a virus or Trojan horse. See also worm, mockingbird. The analogy, of course, is with phage viruses in biology. [Jargon File] phase 1. The offset of ones waking-sleeping schedule with respect to the standard 24-hour cycle; a useful concept among people who often work at night and/or according to no fixed schedule. It is not uncommon to change ones phase by as much as 6 hours per day on a regular basis. "Whats your phase?" "Ive been getting in about 8 P. M. lately, but Im going to wrap around to the day schedule by Friday. " A person who is roughly 12 hours out of phase is sometimes said to be in "night mode". The term "day mode" is also but less frequently used, meaning youre working 9 to 5 or, more likely, 10 to 6. The act of altering ones cycle is called "changing phase"; "phase shifting" has also been recently reported from Caltech. 2. "change phase the hard way": To stay awake for a very long time in order to get into a different phase. 3. "change phase the easy way": To stay asleep, etc. However, some claim that either staying awake longer or sleeping longer is easy, and that it is *shortening* your day or night that is really hard see wrap around. The "jet lag" that afflicts travelers who cross many time-zone boundaries may be attributed to two distinct causes: the strain of travel per se, and the strain of changing phase. Hackers who suddenly find that they must change phase drastically in a short period of time, particularly the hard way, experience something very like jet lag without travelling. phase alternating line PAL The video signal format used in the UK [where else?]. PAL uses Amplitude Modulation for the video information, and Frequency Modulation for the audio information. The phase of the colour subcarrier is reversed on alternate lines which together with the use of a delay line allows the receiver to cancel any phase errors introduced in the path between the studio and the end-users receiver. Such phase errors are quite common and would cause the displayed colours to shift in hue. The US equivalent, NTSC, does not have this feature and thus requires a user control to correct for transmission phase errors, hence the mis-expansion "Never Twice the Same Colour".
2.
a virus that is parasitic in bacteria; it uses the bacteriums machinery and energy to produce more phage until the bacterium is destroyed and phage is released to invade surrounding bacteria


Related Words

phage | phagedena | phagedenic | phagedenical | phagedenous |

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