* * *noun1. a substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary gland• Hypernyms: ↑factor2. 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• Syn: ↑reticular formation
* * *abbreviation1. refunding2. rinforzando3. roof
* * *radiofrequency.Also, rf.
* * *abbrev1. Radio frequency2. République française (French), French Republic
* * *rf.,Baseball.1. right field.2. right fielder.r.f.,1. radio frequency.2. rapid-fire.RF (no periods),1. radio frequency.2. releasing factor.R.F.,1. French Republic (French, République française.2. radio frequency.3. rapid-fire.4. representative fraction.
* * *symbol the chemical element rutherfordium
Useful english dictionary. 2012.