|
|
Definition of Test card
1. Noun. (context: optometry) A card printed with various letters or symbols, used in testing vision. ¹
2. Noun. (UK television) A test signal, typically broadcast at times when the transmitter is active but no programme is being broadcast (often at startup and closedown). ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Test Card
Other Resources:
