1540s, "enlargement," from Latin amplificationem (nominative amplificatio) "a widening, extending," noun of action from past participle stem of amplificare (see amplify). Electronics sense is from 1915.
1. The voice of despair may be weak and need amplification.
2. In electronics, pertaining to an equipment incapable of amplification or power generation.
3. Some of them require further amplification.
4. Operating on the borderline of superconductivity and ordinary conductivity, they produce immense amplification.
5. We may conclude that transistors will be used wherever efficient amplification required within a small space.