Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
The solution: the Portable Document Format, or PDF, which heralded a new era of the promised “paperless office.”
Source: https://www.computerworld.com/article/3711464/tech-luminaries-we-lost-in-2023-in-memoriam.html