Science/Technology:
* Laser Interferometer Space Antenna: A space-based gravitational wave observatory, planned by the European Space Agency.
* Light-induced structural changes: A phenomenon where light can alter the structure of materials.
Other:
* LISA (name): A common name, especially in some parts of the world.
* Local Initiatives Support Corporation: A non-profit organization that supports community development projects.
To figure out which meaning of LISA is relevant, you need to know the context. For example, if you are reading an article about astronomy, LISA likely refers to the space observatory. If you are reading a news article about community development, LISA probably refers to the Local Initiatives Support Corporation.