ACTINOGRAPH
Ac*tin"o*graph, n. Etym: [Gr. -graph.]
Defn: An instrument for measuring and recording the variations in the actinic or chemical force of rays of light. Nichol.
ACTINOID
Ac"tin*oid, a. Etym: [Gr. -oid.]
Defn: Having the form of rays; radiated, as an actinia.
ACTINOLITE
Ac*tin"o*lite, n. Etym: [Gr. -lite.] (Min.)
Defn: A bright green variety of amphibole occurring usually in fibrous or columnar masses.
ACTINOLITIC
Ac`tin*o*lit"ic, a. (Min.)
Defn: Of the nature of, or containing, actinolite.
ACTINOLOGY
Ac`ti*nol"o*gy, n. Etym: [Gr. -logy.]
Defn: The science which treats of rays of light, especially of the actinic or chemical rays.