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Merriam-Webster's Collegiate Dictionary am·pli·fy \\-ˌfī\\ verb ( -fied ; -fy·ing) ETYMOLOGY Middle English amplifien, from Middle French amplifier, from Latin amplificare, from amplus
DATE 15th century
transitive verb1. to expand (as a statement) by the use of detail or illustration or by closer analysis2. a. to make larger or greater (as in amount, importance, or intensity) : increase b. to increase the strength or amount of; especially : to make louder c. to cause (a gene or DNA sequence) to undergo amplificationintransitive verb: to expand one's remarks or ideas Synonyms: see expand
amplify mid-15 c., "to enlarge or expand," from M.Fr
http://M.Fr . amplifier, from L. amplificare "to enlarge," from amplificus "splendid," from amplus "large" + the root of facere "make, do" (see factitious). Meaning "augment in volume or amount" is from 1570s. Restriction of use to sound seems to have emerged in the electronic age, c.1915, in reference to radio technology.
Oxford Advanced Learner's Dictionary-牛津双解-OALD7 amplify
amp·lify / 5Amplifai / verb(amp·li·fies, amp·li·fy·ing, amp·li·fied, amp·li·fied)
1. [VN] to increase sth in strength, especially sound
放大,增强(声音等):
to amplify a guitar / an electric current / a signal
放大吉他声音/电流/信号
2. (formal) to add details to a story, statement, etc.
进一步敍述,阐发(故事、事情、陈述等):
▪ [V]
She refused to amplify further.
她拒绝提供详情。
▪ [VN]
You may need to amplify this point.
你可能需要对这一点进一步予以说明。
• amp·li·fi·ca·tion / 7Amplifi5keiFn / noun [U] :
electronic amplification
电子放大
That comment needs some amplification.
这个评论需要一些阐明。
Webster's Third New International Dictionary, Unabridged am·pli·fy\ˈampləˌfī, ˈaam-\ verb( -ed/-ing/-es) Etymology: Middle English amplifien, from Middle French amplifier, from Latin amplificare, from amplus ample + -ficare -fy — more at ample transitive verb1. : to enlarge, expand, or extend (a statement or other expression of idea in words) by addition of detail or illustration or by logical development 2. a. obsolete : to enlarge in size or capacity b. : to increase or extend (as in amount, importance, or intensity) < knowledge > < amplify the jurisdiction of a court > c. archaic : overstress , exaggerate 3. : to utilize (an input of voltage, current, or power) so as to obtain an output of greater magnitude through the relay action of a transducer intransitive verb: to explain in greater detail or expand or extend one's remarks or ideas < amplify on his remarks >Synonyms: see expand
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