ampli-, ampl-

1. Of large or great size, amount, extent, or capacity: "Fred and Lina had ample space in their living room for the birthday party."
2. Large in degree, kind, or quantity: "Shirley was receiving an ample salary for a beginner."
3. More than enough or more than normal: "Bruce felt that he had received ample justice by the court when he was tried for causing an auto accident."
3. Fully sufficient to meet a need or purpose: "The Jason family had an ample amount of food for the guests at the wedding celebration."

"The teacher told the students that they will have ample time to finish the final exam."

4. Etymology: from Middle French ample, from Latin amplus, "large, spacious".

1. The act or process of making something louder: "Lina liked to play her music without much amplification."
2. The production of an output of greater magnitude than the input: "An amplification can be the act or process of making something larger, greater, or stronger."

"The excessive amplification of the concert ruined the concert for most of the audience."

3. In electronics, an increase in the magnitude of a signal: "Tamika was having trouble trying to produce more amplification with her portable radio because of the old batteries.
4. A detail, explanation, or illustration added to a spoken or written account to make it fuller or to clarify it: "The coach explained that the new rules for basketball will need more amplifications; so, he started the meeting with an amplification of those issues."

"The editorial in the newspaper criticized the continual amplification of federal control over those of the states."

A rapid method for detecting variations in DNA sequences between individuals, using the polymerase chain reaction technique which involves a process in molecular genetics that permits the analysis of any short sequence of DNA (or RNA) even in samples that contain exceptionally small quantities of DNA or RNA.

1. Something that enlarges, or extends: "In electronics, an amplifier uses transistors or electron tubes, which produce an increase of electrical signals.
3. A device that makes sounds louder: "Some amplifiers increase the sound levels of musical instruments."
4. An electronic device that intensifies the magnitude of weak input signals, voltages, or electric currents without changing the characteristics of the waveforms of those signals: "Amplifiers are used in radio and television receivers and in stereophonic sound systems."

"In engineering, amplifiers are used to increase the magnitude of some physical or mechanical devices."

1. To make larger or more powerful; to increase: "The administrator must amplify his efforts to get his staff to produce better results."

"The microphone amplified the singer's voice."

"The psychologist maintains that technology exists to complement and to amplify the human mind."

"The amplified music was so loud that Jim couldn't hear what Trudy was saying."

2. To add to, as with illustrations; to make complete: "The speaker was asked to amplify his remarks by giving the audience some examples."
3. To exaggerate: "The radio talk-show host always amplifies the evils of his political opposition and minimizes any negative aspects of his preferred political group."
4. To increase electrical signals: "The technician was working to amplify the transmission, storage, and manipulation of information for the company's computers."

1. Largeness in size, volume, or extent: The scientist told his students that the amplitude of the universe is incomprehensible.

The amplitude of the food at the buffet delighted the hungry guests.

An amplitude is also a measurement that indicates the movement or vibration of something; such as, a sound wave or a radio wave.

2. Etymology: from Latin amplitudo, from amplus, "ample, large quantity" + -tude, "quality, condition of".

The deliberate processing of a carrier signal which is used in ordinary radio and TV broadcasting: The amplitude modulation varies in accordance with the level of the modulating signal while transmitting the video portion of a television signal.

Variation of the amplitude modulation of a carrier wave, commonly a radio wave, presents fluctuations in the audio or video signals that are being transmitted.

A higher amplitude modulation wave is interpreted as a "1" and a normal wave is interpreted as a zero.

The method of changing an amplitude modulation is known as "amplitude shift keying", or ASK.

1. Having or providing enough or more than enough of what is needed: "Tim was amply supplied with enough money for his trip to France and England."

"The results amply demonstrated that something was wrong with Sarina's computer."

"The troops in the battle zone were amply supplied with equipment."

  2. Quite large: "The waitress amply provided Mark with a serving of pie and ice cream."

The maximum absolute value of a periodic curve measured along its vertical axis (the height of a wave, in layman's terms).

The increase in concentration of a pollutant from one trophic (or nutrition) level in a food chain to another; this usually occurs when the pollutant is metabolized and excreted much more slowly than the nutrients that are passed from one trophic level to the next: "Such bioamplification pollutants are long-lived, mobile, soluble in fats, and biologically active."

"Biomagnification, or bioamplification, is a particular threat for species living at the top of food chains."

A system composed of several waveguides that are symmetrically arranged with a related excitation medium in order to become excited with equal amplitudes and phases to in order to provide a net gain in energy.

1. An amplifier circuit characterized by low-current drift and input-current offsets, and adequate power and current sensitivities, such that it is capable of measuring extremely low current variations in a circuit.
2. A low-noise amplifier having sufficiently low current drift and other characteristics required for measuring very low currents.

A circuit which uses electron tubes to provide the additional power needed to increase a signal: "An electron-tube amplifier provides the required increase in signal strength."

1. A device that boosts a signal by varying the energy pumped from an electrostatic field into an electron beam traveling down the length of a tube, and then manipulating the beam at either end of the tube.
2. A parametric amplifier in which energy is pumped from an electrostatic field into a beam of electrons traveling down the length of the tube, and electron couplers impress the input signal at one end of the tube and translate spiraling electron motion into electric output at the other end.

An amplifier consisting of an electron-gun modulation system, semiconductor target and output coupling network all within a glass or ceramic envelope.

The semiconductor target is a pair of silicon diodes, each consisting of two metallic electrodes with a pn (positive-negative) junction under the top contact.

A pn junction or a diode (one way valve) is a pn junction with p-type (positive-type) on one side and n-type (negative-type) on the other side.

When a positive voltage is applied to the p-type side (forward bias), it shrinks and overcomes the depletion zone, causing the current to flow from the p-type to the n-type side. When a negative voltage is applied to the p-type of the diode (reverse bias), it increases the depletion zone and prevents current from flowing.

The amplifier operation is based on the fact that a modulated electron beam can control the current in a reverse-based semiconductor junction.