13-letter words containing f, i, r, e, l, n
- unrectifiable — able to be rectified.
- unrefined oil — oil that hasn't been refined or processed
- unsuperficial — external or outward: a superficial resemblance.
- unvitrifiable — not able to be vitrified
- user-friendly — easy to use, operate, understand, etc.: the most user-friendly personal computer now on the market.
- vcc filtering — (electronics) A technique for reducing the amount of Radio Frequency Interference spread via power supply connections. VCC is a common name for the non-ground power supply line in circuits based on bipolar transistors. When part of a circuit generates lots of radio-frequency noise, that portion of the power plane can be isolated from the rest of the circuit and power delivered to it via a low pass filter, usually a PI filter, as shown in the diagram below.
- waterflooding — (in oil, gas, or petroleum production) the practice of injecting water to maintain pressure in a reservoir and to drive the oil, etc towards the production wells
- well-informed — having extensive knowledge, as in one particular subject or in a variety of subjects.