Approval 
An action, process or material which has been approved by a specifier or regulator. For example, any pesticide must be approved before it can be advertised, stored, sold, supplied or used.
Apron
The area immediately in front of a golf green.
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Aquifer
A saturated layer of porous rock which contains water.
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Asset Monitoring
The identification of the location and movement of physical assets.
Associate
This can often mean one of two things:
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Atmosphere
The mixture of gases that are within the air, with the main components (by volume) being 78% nitrogen; 21% oxygen; 0.9% argon, and 0.04% carbon dioxide.
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Attention Restorative Theory
A theory which suggests that being exposed to the natural environment helps to refresh and restore the mind and body following prolonged periods of concentrated mental effort (resulting in what is called directed attention fatigue) or stress related issues.
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Audit
An examination or inspection of accounts, which traditionally related to financial accounts.
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Augusta Syndrome
In UK golf greenkeeping this refers to the excessively manicured and exclusive American golf course which hosts the US Masters tournament.
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Back to Basics
A refreshing of knowledge which does away with complicated and often confusing, contradictory and convoluted theories and ideas.
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