amplitude - Master This Word
Master this word with our 5-step learning method – Learn English in English
amplitude Word Meanings
- the maximum extent of a vibration or oscillation; the quality of being full or large.
- broadness or range; a measure of the energy of waves.
amplitude Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
amplitude Phonetic & Pronunciation
UK
/ˈam.plɪ.tjuːd/
US
/ˈæm.plɪ.tuːd/
amplitude Word Etymology
The root 'amplitudo' from Latin (amplitudinis) combines 'ampli-' meaning 'broad', and the suffix '-tude' used for forming nouns indicating a state or condition. It evolved through Old French before entering English. Imagine a wide river (broad) that expands at bends (state of being), filling everything around it with its presence.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputReal Context
Amplitude refers to the maximum extent of a vibration or oscillation from its resting position. In physics it is the distance from equilibrium to the peak of a wave, and it helps describe how strong or energetic a signal is. In everyday language amplitude can also mean the quality of being full, large, or expansive—an amplitude of sound, color, or opportunity. The word is often used alongside energy or intensity, as in waves with higher amplitude carry more energy. In writing, you may use amplitude to convey breadth or range, for example the amplitude of a crowd’s reaction or the amplitude of a spectrum. Learners should not confuse amplitude with frequency or loudness.
Usage Reminders
- - Remember amplitude is about displacement from rest, not speed.
- - Distinguish amplitude from loudness; louder does not always mean higher amplitude in perception.
- - Use amplitude for waves, signals, and metaphorical breadth.
- - Check units when talking about physical amplitude (meters, volts, etc.).
- - Do not mix amplitude with frequency or wavelength.
Common Misconceptions
- Amplitude is the same as loudness; they are related but not identical.
- Amplitude measures speed or velocity of motion.
- Higher amplitude always means louder sound in all contexts.
- Amplitude applies only to audible sound, not other waves.
- Confusing amplitude with frequency or wavelength leads to wrong descriptions.
Thinking Differences
In English, amplitude is often treated as both a precise physical quantity and a broad metaphor for extent. Learners may separately map it to loudness or volume and assume higher amplitude always means louder sound in everyday context; practice distinguishing physical displacement from perception.
Learning Tips
- Study amplitude as a displacement from rest, not a speed measure.
- Keep amplitude distinct from loudness when interpreting signals.
- Use physical examples (waves, oscillations) to ground the concept.
- Compare amplitude with frequency and wavelength to avoid mixing terms.
- Practice translating between technical and everyday uses.
- Draw a simple wave diagram to visualize peak displacement.
5-Step Learning Method - Learn English in English
Step 1: Meaning
What does 'amplitude' mean?
A.The height of a wave
B.A state of confusion
C.A form of communication
D.A type of musical note
Step 2: Usage
How is 'amplitude' used in a sentence?
A.The amplitude of her voice was soft and reassuring.
B.His artistic amplitude was admired by many.
C.The amplitude of the waveform was very high.
D.They had an amplitude of options to choose from.
Step 3: Similar Words
Which word is most similar to 'amplitude'?
A.Scale
B.Height
C.Size
D.Spectrum
Step 4: Opposite Words
What is the opposite of 'amplitude'?
A.Decrease
B.Diminish
C.Minimum
D.Small
Step 5: Mastery
Can you think of a real-life context where one might discuss amplitude?
A.In a music class, discussing sound waves.
B.When talking about a fast car.
C.While cooking a new recipe.
D.During a game of chess.
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