"actinometer"^^ . . . . . "0"^^ . . "an instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect)"@en-us . "an instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect)"@en-us . "102677436"^^ . . . "02677436-n"^^ . . . "actinometer"@en-us . . "0"^^ . . . . . . "102585443"@en-us . . "102164296"@en-us . . . .