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The third letter (G) of the Greek alphabet.

Very penetrating rays not appreciably deflected by a magnetic or electric field, emitted by radioactive substances. The prevailing view is that they are non-periodic ether pulses differing from Röntgen rays only in being more penetrating.

A cross formed of four capital gammas, formerly used as a mysterious ornament on ecclesiastical vestments, etc. See Fylfot.

A letter (

Having the digamma or its representative letter or sound; as, the Latin word vis is a digammated form of the Greek . Andrews.

in working with uranium and its compounds. They consist of a mixture of alpha, beta, and gamma rays.

nant. Its form and sound are from the Latin. The Latin borrowed the form from the Greek digamma w consonant. The form and value of Greek letter came from the Phoenician, the ultimate source being probably Egyptian. Etymologically fis most closely related to p,k,v, and b; as in E. five, Gr. f, L. lupus, Gr. fox, vixen ;…

Other transcendental functions are the exponential functions, the elliptic functions, the gamma functions, the theta functions, etc. -- One-valued function, a quantity that has one, and only one, value for each value of the variable. -- Transcendental functions, a quantity whose connection with the variable cannot be…

rebated cross, formerly used as a secret emblem, and a common ornament. It is also called gammadion, and swastika.

roundings, and for their radiations, which are of three kinds: alpha rays, beta rays, and gamma rays (see these terms). By reason of these rays they ionize gases, affect photographic plates, cause sores on the skin, and produce many other striking effects. Their degree of activity depends on the proportion of radium pr…

this distinction is not commonly recognized. Other names for the swastika are fylfot and gammadion.

wel UPSILON (see Y), this Greek letter being either from the same Semitic letter as the digamma F (see F), or else added by the Greeks to the alphabet which they took from the Semitic. Etymologically v is most nearly related to u, w, f, b, p; as in vine, wine; avoirdupois, habit, have; safe, save; trover, troubadour, t…