Arterial Venous Malformation -- a tangle of abnormal blood vessels in the brain that may bleed or cause seizures or both. It can be treated by surgical removal, radiation, or "clotting off" of the vessels (embolization) or a combination of these.

An abnormal, congenital cluster of tangled blood vessels within the brain or spine that is at risk of bleeding. Depending on the AVM location, bleeding can cause symptoms ranging from headaches and seizures to paralysis and even death.

Deformity, abnormal shape or structure relating to veins and arteries.

Automated valuation model. Automated evaluation services were developed in response to a growing need for low cost, quick response property evaluations. While not a complete appraisal, these abbreviated reports provide much of the same information and can be completed in a matter of a few hours or less. They are used by lending institutions to estimate property values. However, they can't take into account unique features or factor in the affect of changing neighborhoods.

Automated Valuation Model. An automated method to determine the current value of a property.

Stands for Automated Valuation Models. AVM products can be ordered on the internet and returned immediately to the user.

Air Vice-Marshal - 2 star rank (equivalent to Major-General and Rear Admiral)

Air Vice Marshal (Senior Air Force Officer Rank)

Availability manager. See CAVM.

ATM Voice Multiplexer

AVMs are statistically based computer programs that use real estate information such as comparable sales, property characteristics, tax assessments, and price trends to provide an estimate of value for a specific property.

Authorisation Verification Method

Automatic Vehicle Monitoring