Learning / English Dictionary |
GAMMA
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
The 3rd letter of the Greek alphabet
Classified under:
Nouns denoting communicative processes and contents
Hypernyms ("gamma" is a kind of...):
alphabetic character; letter; letter of the alphabet (the conventional characters of the alphabet used to represent speech)
Holonyms ("gamma" is a member of...):
Greek alphabet (the alphabet used by ancient Greeks)
Sense 2
Meaning:
Portuguese navigator who led an expedition around the Cape of Good Hope in 1497; he sighted and named Natal on Christmas Day before crossing the Indian Ocean (1469-1524)
Synonyms:
da Gamma; Gamma; Vasco da Gamma
Classified under:
Instance hypernyms:
navigator (in earlier times, a person who explored by ship)
Sense 3
Meaning:
A unit of magnetic field strength equal to one-hundred-thousandth of an oersted
Classified under:
Nouns denoting quantities and units of measure
Hypernyms ("gamma" is a kind of...):
field strength unit (an electromagnetic unit of magnetic intensity)
Holonyms ("gamma" is a part of...):
oersted (the magnetic field strength 1 cm from a unit magnetic pole)
Context examples:
Netoglitazone exerts both peroxisome proliferator-activated receptor (PPAR) alpha and gamma agonist activity.
(Netoglitazone, NCI Thesaurus)
The NMI protein also interacts with all STATs except STAT2 and augments STAT-mediated transcription in response to cytokines IL2 and IFN-gamma.
(NMYC Interactor, NCI Thesaurus/LocusLink)
Data from Odyssey's Gamma Ray Spectrometer, which is tailor-made for mapping water ice deposits, were also useful.
(NASA's Treasure Map for Water Ice on Mars, NASA)
This leads to an activation of natural killer cells and cytotoxic T lymphocytes and to interferon gamma (INF-g) synthesis, thereby attaining an anti-angiogenic effect.
(Mycobacterial Cell Wall-DNA Complex, NCI Thesaurus)
Previous identifications of this isotope have come from the detection of gamma rays, but their precise origin had been unknown.
(Stellar Corpse Reveals Origin of Radioactive Molecules, ESO)
A different team of scientists was able to gather data on the Cow over an even broader range of wavelengths, spanning from radio waves to gamma rays.
(Mysterious Blast Studied with NASA Telescopes, NASA)
A relative measurement (ratio or percentage) of the mu gamma glutamyl transpeptidase to creatinine in a biological specimen.
(Mu Glutathione-S-Transferase to Creatinine Ratio Measurement, NCI Thesaurus/CDISC)
Upon IL-2 inhalation, this cytokine activates lymphokine-activated killer cells and natural killer cells, and induces expression of cytotoxic cytokines, such as interferon-gamma and transforming growth factor-beta.
(Aerosolized Aldesleukin, NCI Thesaurus)
This agent enhances lymphocyte mitogenesis; stimulates long-term growth of human IL-2 dependent cell lines; enhances lymphocyte cytotoxicity; induces lymphokine-activated killer (LAK) cell and natural killer (NK) cell activities; and induces expression of interferon-gamma.
(Aldesleukin, NCI Thesaurus)
Beta-D-glucans may promote dendritic cell (DC) maturation; increase interferon gamma (IFN-gamma), tumor necrosis factor alpha (TNF-alpha) and immunoglobulin levels; and may enhance natural killer (NK) cell activity, potentially boosting anti-tumor host immune responses.
(Agaricus blazei Murill Extract, NCI Thesaurus)