Dictionary.com

actinograph

[ ak-tin-uh-graf, -grahf ]
/ ækˈtɪn əˌgræf, -ˌgrɑf /
Save This Word!

noun
a recording actinometer.
QUIZ
FIRE UP YOUR VOCAB FOR A "RED" SYNONYMS QUIZ
No fire engine reds here, only a fierce collection of vibrant words for the color red to test yourself on.
Question 1 of 7
What does "amaranth" mean?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

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-/, adjectiveac·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. 2021
FEEDBACK