id ‧ e ‧ o ‧ gram /ˈɪdiəɡræm/ BrE AmE ( also id‧e‧o‧graph /-ɡrɑːf $ -ɡræf/) noun [countable]
[ Date: 1800-1900 ; Language: Greek ; Origin: idea ( ⇨ ↑ idea ) + English -gram ]
a written sign, for example in Chinese, that represents an idea or thing rather than the sound of a word ⇨ hieroglyphics