Sympathetic vibration concerning child with article on creche environs (9)
I believe the answer is:
resonance
'sympathetic vibration' is the definition.
(I've seen this before)
'concerning child with article on creche environs' is the wordplay.
'concerning' becomes 're' (both can mean on a particular topic).
'child' becomes 'son' (male child).
'with' says to put letters next to each other.
'article on creche environs' becomes 'ance' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
're'+'son'+'ance'='RESONANCE'
Can you help me to learn more?
(Other definitions for resonance that I've seen before include "Vibrancy" , "Sympathetic vibration" , "Sonority" , "Sound amplification" , "shaking" .)