olemus
virtuaalmasin programmi täitmiseks,
kontekstist sõltuvas tähenduses
= a virtual machine for program execution

näiteid
ISO/IEC 23271, Virtual Execution System,VES:
This system implements and enforces the Common Type System model. The VES is responsible for loading and running programs written for the Common Language Infrastructure. It provides the services needed to execute managed code and data using the metadata to connect separately generated modules together at runtime. The VES is also known as the Execution Engine.

https://en.wikipedia.org/wiki/Test_execution_engine

https://www.waytoeasylearn.com/learn/execution-engine/

http://www.mi.fu-berlin.de/wiki/pub/Main/AbdulSaboor/DDPEE.pdf

http://www.cryptotech.com.pl/compl/data/ncipher/pdf/ncipher_see.pdf

http://ceur-ws.org/Vol-1295/paper22.pdf