actiniarian
— Noun
– English
~ any sea anemone or related animal
actinide
— Noun
– English
~ any of a series of radioactive elements with atomic numbers 89 through 103
Actinidia
— Noun
– English
~ small Asiatic woody vine bearing many-seeded fruit
Actinidiaceae
— Noun
– English
~ tropical trees or shrubs or woody vines
Actiniopteris
— Noun
– English
~ terrestrial ferns of tropical Asia and Africa
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