actinism
— Noun
– English
～ the property of radiation that enables it to produce photochemical effects
actinium
— Noun
– English
～ a radioactive element of the actinide series; found in uranium ores
actinoid
— Noun
– English
～ any of a series of radioactive elements with atomic numbers 89 through 103
actinolite
— Noun
– English
～ a green mineral of the amphibole group; calcium magnesium iron silicate
Actinomeris
— Noun
– English
～ used in some classification systems for plants now included in genus Verbesina
actinometer
— Noun
– English
～ an instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect)
actinometry
— Noun
– English
～ measuring the intensity of electromagnetic radiation (especially of the sun's rays)
actinomyces
— Noun
– English
～ soil-inhabiting saprophytes and disease-producing plant and animal parasites
Actinomycetaceae
— Noun
– English
～ filamentous anaerobic bacteria
Actinomycetales
— Noun
– English
～ filamentous or rod-shaped bacteria
actinomycete
— Noun
– English
～ any bacteria (some of which are pathogenic for humans and animals) belonging to the order Actinomycetales
actinomycin
— Noun
– English
～ any of various red antibiotics isolated from soil bacteria
actinomycosis
— Noun
– English
～ disease of cattle that can be transmitted to humans; results from infection with actinomycetes; characterized by hard swellings that exude pus through long sinuses
abdominal actinomycosis
— Noun
– English
～ a serious form of actinomycosis that affects the abdomen