Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
Willem de Sitter | Yes | No | No | No |
astronomer | Yes | No | No | No |
Willem de Sitter (noun) | astronomer (noun) |
---|---|
Dutch astronomer who calculated the size of the universe and suggested that it is expanding (1872-1934) | a physicist who studies astronomy |