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.
China was found to have overtaken the U.S. on a metric designed to capture quality as well: the number of researchers or institutions whose papers received the most citations for papers in the 82 natural science journals tracked by Nature Index.