blog·o·sphere 
(blŏgə-sfîr′)
(blŏgə-sfîr′)n.
The set of all blogs on the internet along with those who compile them and comment upon them, viewed as an interconnected community or as a phenomenon.
[On the model of ATMOSPHERE, STRATOSPHERE, etc.]
- under nose
- undernourish
- undernourishment
- undernutrition
- under oath
- under (one's) belt
- under one's belt
- under (one's) breath
- under one's breath
- under (one's) hat
- under one's hat
- under (one's) wing
- under one's wing
- underpaid
- under pain of
- underpants
- underpart
- underpass
- underpay
- underpayment
- underperform
- underperformance
- underperformer
- underpin
- underpinning