VS.

Hf vs. Rf

Published:

Hfinterjection

(Internet slang) have fun

Rfnoun

a substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary gland

Hfnoun

a gray tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons

Rfnoun

a radioactive transuranic element which has been synthesized

Hfnoun

3 to 30 megahertz

Rfnoun

a complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone

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