Definitions beginning with G

Advertising that is distributed based on geographic location. Online advertising allows for targeting of countries, states, cities and suburbs (in some markets).
SEO Glossary.com - Cite This Source - This Definition
Browse Related Terms: Behavioral Targeting, Demographics, Insertion Order (I/O), Reach, RSS, Scumware, Spyware, Syndication, Target Audience, trademark, Universe

Any fabric or textile (natural or synthetic) used as an engineering material in conjunction with soil, foundations, or rock. Geotextiles provide the following uses: drainage, filtration, separation of materials, reinforcement, moisture barriers, and erosion protection.

Bureau of Reclamation - Cite This Source - This Definition
Browse Related Terms: ASTM, Caulk, Common material, Conveyor, Detritus, Ductility, Feather, Flail, Frost action, Mastic, Neoprene, Nominal size, Stockpile, Windrow

Heat transferred from the earth's molten core to under-ground deposits of dry steam (steam with no water droplets), wet steam (a mixture of steam and water droplets), hot water, or rocks lying fairly close to the earth's surface.
EPA - Cite This Source - This Definition
Browse Related Terms: Coal Mine Methane, Industrial sector, Strip mining, Surface mining

OBSOLETE. Ground Entry Point. IFICS.
DoD Missile Defense Agency - Cite This Source - This Definition
Browse Related Terms: FGEP, IFICS, MGEP

(juh-RAY-nee-um) A type of plant that is native to southern Africa and has white, pink, purple, or red flowers and 3- to 5-lobed leaves. An essential oil that smells like roses is taken from the leaves and used in perfume, in mosquito repellants, and in aromatherapy to treat skin problems and to reduce stress. The scientific name is Pelargonium graveolens . Also called pelargonium.
National Cancer Institute - Cite This Source - This Definition
Browse Related Terms: bergamot, patchouli, pelargonium, shiitake mushroom

(JER-mun KA-moh-MY-ul) A plant whose daisy-like flowers are used in tea to calm and relax, improve sleep, and help stomach problems. German chamomile has been studied in the prevention of mucositis (mouth sores) caused by chemotherapy and radiation therapy. It has also been used in some cultures to treat skin conditions, mild infections, and other disorders. The scientific name is Matricaria recutita .
National Cancer Institute - Cite This Source - This Definition
Browse Related Terms: English lavender, eucalyptus, lavender, tea tree, true lavender

The German Federal Institute for Drugs and Medical Devices Commission E. A committee made up of scientists, toxicologists, doctors, and pharmacists formed by the German government in 1978 to find out if herbs sold in Germany are safe and effective. The Commission has published information on the uses, side effects, and drug interactions of more than 300 herbs.
National Cancer Institute - Cite This Source - This Definition
Browse Related Terms: FDA, Food and Drug Administration, natural history study, physician

A germanium-based PN- or PIN-junction photodiode. Note 1: Germanium photodiodes are useful for direct detection of optical wavelengths from approximately 1 m to several tens of m. Note 2: Germanium-based detectors are noisier than silicon-based detectors. Silicon-based detectors are therefore usually preferred for wavelengths shorter than 1 m. [After FAA]
ATIS - Cite This Source - This Definition
Browse Related Terms: photodetector (PD), photodiode, silicon photodiode

Sperm and egg cells and their precursors. Germ cells are haploid and have only one set of chromosomes (23 in all), while all other cells have two copies (46 in all).
Human Genome Project - Cite This Source - This Definition
Browse Related Terms: diploid, Gamete, haploid, Pronucleus

(jurm sel TOO-mer) A type of tumor that begins in the cells that give rise to sperm or eggs. Germ cell tumors can occur almost anywhere in the body and can be either benign or malignant.
National Cancer Institute - Cite This Source - This Definition
Browse Related Terms: extracranial germ cell tumor, extragonadal germ cell tumor, germinoma, ovarian germ cell tumor