Actinograph
a recording actinometer.
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- Actinoid
raylike; radiate. historical examples of the lowest among these orders, the actinoid polyps, our actinia or sea-anemone is a good example. seaside studies in natural history elizabeth cabot cary ag-ssiz adjective having a radiate form, as a sea anemone or starfish
- Actinolite
a variety of amphibole, occurring in greenish bladed crystals or in m-sses. historical examples the actinolite slate is dark green, and formed by an almost insensible gradation from the mica slate. in the arctic seas francis leopold mcclintock byssolite, bis′o-līt, n. an olive-green variety of actinolite, in long crystals. chambers’s twentieth century dictionary (part 1 […]
- Actinology
the science that deals with actinism.
- Actinomadura
actinomadura actinomadura ac·ti·no·mad·u·ra (āk’tə-nō-māj’ə-rə) n. a genus of aerobic, gram-positive, non-acid-fast fungi forming filaments that fragment into spores.
- Actinometer
a device for measuring intensity of radiation, especially that of the sun. historical examples it is a good plan to employ an actinometer to judge the correct exposure. photographic amus-m-nts, ninth edition walter e. woodbury and frank r. fraprie a johnson’s actinometer is very useful to time the exposure. photogravure henry r. blaney you may […]