actinograph

[ ak-tin-uh-graf, -grahf ]

noun
  1. a recording actinometer.

Origin of actinograph

1
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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024