Binarize is a term used in digital image processing and refers to the conversion of an image into a binary form, where only two colors - black and white are used to represent the image. However, there are several other synonyms that can be used in place of binarize, such as threshold, convert to binary, binary coding, duotone, monochrome, black and white, and two-tone. Each term carries a similar meaning and is commonly used in various areas of computer science, such as machine learning, computer vision, and image analysis. Therefore, it is essential to understand and use these synonyms to effectively communicate in these fields.