1) Causing dissipation of energy 2) Compression type 3) Tending to dissipate energy 
Compression techniques that can involve the loss of data.
A method of compression where savings are made by discarding information. The picture you see on-screen is not the exact picture that the camera recorded; however in most cases the loss is too small to be noticed. However the more that a channel compresses its picture, the more 'lossy' the compression must be, and hence the more you'll notice chunk...
Many file formats use compression to reduce the file size of bitmap images (digital photo). Lossless techniques compress the file without removing image detail or colour information; lossy techniques remove detail. JPEG is the most common file format in digital photography but this is a 'Lossy' file format. TIFF with LZW(Lemple-Zif-Welch) compressi...
see compression
adjective characterized by or causing dissipation of energy
Characteristic of a network that is prone to lose packets when it becomes highly loaded.
(of a material or transmission line) causing appreciable loss or dissipation of energy.