-ic

(Greek: a suffix; pertaining to; of the nature of, like; in chemistry, it denotes a higher valence of the element than is expressed by -ous)

geotactic (adjective) (not comparable)
Referring to the movement of a motile organism using the Earth's gravity for orientation: Geotactic locomotion of a life form orients itself by the force of gravity.
geotropic (adjective) (no pl)
A description of the response of plants toward the pull of gravity: Plant roots are geotropic because they react to the force of gravity with a downward movement towards the center of the Earth.
gerontic
1. Pertaining to old age, senile.
2. A combination of the scientific principles of aging with basic nursing methods to provide a comprehensive understanding. This broad concept relies on a logical scientific approach using specialized knowledge about aged persons.
3. Of or relating to the last phase of life.
gigantic (adjective), more gigantic, most gigantic
Relating to or suggestive of an enormous size.
globic (adjective) (not comparable)
Pertaining to a glomus: A globic vessel is extremely organised and links an artery and a vein in a limb.

A globic vessel controls the flow of blood, regulates the temperature in order to moderate heat in the organ, and, in addition, controls the blood pressure.

glossolalic
Someone who speaks in a foreign language and are typically not understood by others.
glottogonic
Referring to, like, or pertaining to the origins of languages; or the study of the origins of languages.
glucokinetic
1. Having the ability to activate glucose, especially by breaking down stored glycogen so as to increase glucose concentrations in the blood.
2. Activating sugar so as to maintain the sugar level of the blood.
3. Tending to mobilize glucose; usually evidenced by a reduction of the glycogen stores in the tissues to produce an increase in the concentration of glucose circulating in the blood.
glycoclastic
A reference to the breaking down of sugars by the process of hydrolysis and the digestion of sugars.
glycotrophic
A reference to a principle in the extracts of the anterior lobe of the pituitary gland that antagonises the action of insulin and causes hyperglycemia/hyperglycaemia.
glyphic
Carved, sculptured.
glyptic
A reference to carving.
gnathic
Relating to or a reference to the jaw and/or the cheeks.
gnathodynic (adjective), more gnathodynic, most gnathodynic
A reference to a pain in the jaw: There are many origins of gnathodynic complaints including sinusitis, a jaw injury, and misaligned teeth.
gnotobiotic
1. A reference to germ-free or formerly germ-free organisms in which the composition of any associated microbial flora, if present, is fully defined.
2. The study of organisms or environmental conditions that have been rendered free of bacteria or contaminants or into which a known microorganism or contaminant has been introduced for research purposes.