OTHER WORDS FROM actinometerac·tin·o·met·ric [ak-tin-oh-me-trik, ak-tuh-noh-], /ækˌtɪn oʊˈmɛ trɪk, ˌæk tə noʊ-/, ac·tin·o·met·ri·cal, adjectiveac·ti·nom·e·try, noun
Words nearby actinometer
How to use actinometer in a sentence
For judging long exposures, the use of an actinometer (issued in many inexpensive forms) is helpful.How to Observe in Archaeology|Various
We then shift the paper in the actinometer so as to get a fresh portion under the tissue strips, or we substitute a new piece.
Now refer to the actinometer and see what has taken place on the silver paper which we put into it.
The mystery was not a new type of infernal machine as they imagined but merely a home-made actinometer!Sixteen Months in Four German Prisons|Henry Charles Mahoney
A very suitable instrument for timing the exposure of carbon tissue is Sawyer's actinometer.Photogravure|Henry R. Blaney