actinograph

[ ak-tin-uh-graf, -grahf ]
/ ækˈtɪn əˌgræf, -ˌgrɑf /

noun

a recording actinometer.

Origin of actinograph

First recorded in 1830–40; actino- + -graph

OTHER WORDS FROM actinograph

ac·tin·o·graph·ic [ak-tin-uh-graf-ik, ak-tuh-noh-] /ækˌtɪn əˈgræf ɪk, ˌæk tə noʊ-/, adjective ac·ti·nog·ra·phy [ak-tuh-nog-ruh-fee] /ˌæk təˈnɒg rə fi/, noun