progressive

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Related to progressively: demonstrably, obviously, ideally

progressive

1. favouring or promoting political or social reform through government action, or even revolution, to improve the lot of the majority
2. denoting or relating to an educational system that allows flexibility in learning procedures, based on activities determined by the needs and capacities of the individual child, the aim of which is to integrate academic with social development
3. (of a tax or tax system) graduated so that the rate increases relative to the amount taxed
4. (esp of a disease) advancing in severity, complexity, or extent
5. (of a dance, card game, etc.) involving a regular change of partners after one figure, one game, etc.
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

progressive scan

Illuminating a screen by displaying lines sequentially from top to bottom. Also called "non-interlaced," all modern monitors and TVs support progressive scan. For example, the "p" in 1080p means that for each video frame 1,080 lines are displayed one after the other. The highest progressive format in common use is 2160p, which is 4K (see 4K TV).

The only reason progressive ever became a feature is because earlier analog TVs only illuminated half the lines at a time (see below). See interlace, frame rate, progressive scan DVD, progressive scan TV, HDTV, deinterlace and DTV.


Progressive vs. Interlaced
Progressive formats (720p, 1080p, 2160p) display 60 full frames per second. In that same second, earlier analog TVs transmitted and displayed 60 half frames (60 fields). For more details, see interlace.
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References in periodicals archive ?
It added that one of the departure zones for cars was converted to clear arriving cars when the system progressively resumed.
INEOS FPS has this afternoon confirmed that it has started progressively reducing the throughput of the Forties Pipeline System to 150 mbd.
OceanaGold commits to continuously support the government's National Greening Program (NGP) and progressively rehabilitate more areas to minimize its environmental footprint.
The tax on prize bonds winnings should also be progressive with larger prizes attracting higher taxation, while VIP Hajj packages should also be taxed progressively.
"Patient privacy curtains became progressively contaminated with bacteria, including MRSA.
As for public sector employees who are taking labor-intensive work and in the lowest-wage bracket, the Cabinet is mulling plans to raise their monthly wage to NT$30,000 progressively over time.
Due to the densely built-up nature of the area around the Wholesale Markets, demolition will have to be carried out progressively rather than through explosions.
"Progressively over the last few quarters, we have been gradually increasing our exposure to Saudi markets," Yong Wei Lee, Head of Mena equities, Emirates NBD Asset Management told Gulf News.
However, hearing usually worsens progressively with each successive attack, and permanent hearing loss may be the end result.
TEHRAN (FNA)- New research reveals that by learning to make discriminations of a sound amidst progressively more disruptive distractions, we can diminish our distractibility.
In addition, wireless internet (wi-fi) access is now available in most apartments and will be rolled out progressively to all apartments by the end of this year.

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