centigrams Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. one 100th of a gram; equivalent to 0.1543 grain Example Sentence The food was weighed in centigrams. Synonyms one hundredth of a gram; .154 grain; cg Antonyms mile Hear It! Say It! Write It! centigrams Switch to cursive Start Share with your friends: