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noun
1. a substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary gland
• Syn: ↑releasing factor, ↑releasing hormone
• Hypernyms: ↑factor
• Hyponyms: ↑growth hormone-releasing factor, ↑GHRF
2. 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
• Hypernyms: ↑neural network, ↑neural net
• Part Holonyms: ↑brainstem, ↑brain-stem, ↑brain stem
• Part Meronyms: ↑reticular activating system, ↑RAS
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abbreviation1. refunding
2. rinforzando
3. roof
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radiofrequency.
Also, rf.
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abbrev
1. Radio frequency
2. République française (French), French Republic
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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.
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symbol the chemical element rutherfordium
Useful english dictionary. 2012.