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“sine”
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“sine”
modified sine wave
A waveform that has at least three states (for example, positive, off, and negative).
It has less harmonic content than a square wave.
This entry is located in the following unit:
Photovoltaic Conversion Efficiency Terms +
(page 13)
modified sine wave
A waveform that has at least three states (such as, positive, off, and negative).
It has less harmonic content than a square wave.
This entry is located in the following unit:
Photovoltaic Conversion Efficiency Terms +
(page 13)
1. An essential or indispensable feature or factor: Sometimes being calm is really a sine qua non for those who are waiting to see a medical doctor.
2. That which is an absolute prerequisite: The phrase sine qua non refers to a necessity or an indispensable condition or qualification for a particular purpose.
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2. That which is an absolute prerequisite: The phrase sine qua non refers to a necessity or an indispensable condition or qualification for a particular purpose.
Wind, for example, is a sine qua non for flying a kite!
3. Etymology: from Latin, sine- "without" + qua, "which" + non, "not."
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This entry is located in the following unit:
English Words in Action, Group S
(page 5)