chemo-, chem-, chemico-, chemi-, -chemist, -chemic, -chemical +
(Arabic > Greek > Latin: the art of combining base metals [to make gold]; from Greek, chemia, “Egypt”, supposedly where the art of changing metals into gold existed)
chemocline
The boundary zone in a lake between the deep stagnant water (monimolimnion) and the overlying region of freely circulating water (mixolimnion).
In surgery, the clotting of a substance by applying chemicals: Chemocoagulation was necessary to stop the flow of blood when Jim was being operated.
chemofacies
In geology, the chemical elements tat are collected or absorbed within aqueous bottom muds.
chemokinesis, chemokinetic
1. In immunology, an increased random migratory activity of cells produced by a chemical agent.
2. A change of linear or angular velocity in response to a chemical stimulus.
2. A change of linear or angular velocity in response to a chemical stimulus.
chemolithotrophic (adjective)
A reference to organisms that obtain energy from oxidation/reduction reactions and use inorganic electron donors.
chemolysis
Chemical decomposition.
chemomorphosis
Chemically induced change in form or developmental stage.
chemonasty, chemonastic
A response to a diffuse chemical stimulus; a change in the structure or position of an organ in response to a diffuse chemical stimulus.
chemoorganotrophic, chemo-organotrophic; chemoorganotroph, chemo-organotroph
1. A reference to organisms that obtain energy from oxidation/reduction reactions and use organic electron donors; chemoheterotrophic.
2. An organism that depends on organic chemicals for its energy and carbon.
2. An organism that depends on organic chemicals for its energy and carbon.
The use of a chemical substance to forestall the contraction of a disease or to stop the progress of a disease: Food supplements, chemical agents, and drugs are employed as chemopreventions in order to prevent or slow down the growth of cancer.
chemoprophylaxis
The avoidance of the development or spread of a certain disease by administering a chemical agent.
The treatment of mental and emotional disorders by the use of drugs: "As a branch of psychiatry, chemopsychiatry is a treatment of mental problems that uses chemical agents, particularly psychopharmacologic agents, that affect a person's brain functions and behaviors."
chemoreception
The action of the sense organs that respond to chemical stimulation, including the organs for taste (gustation) and smell (olfaction).
chemoreceptor, chemoceptor:
1. Any of a group of receptors in the carotid sinus and the aorta that are sensitive to changes in blood oxygen and carbon dioxide levels and that have an effect on the rate and depth of breathing as well as on the heart rate.
2. Any neuroreceptor that responds to specific chemical stimuli.
2. Any neuroreceptor that responds to specific chemical stimuli.
chemoreflex
1. A reflex caused by a chemical stimulus.
2. A reflex initiated by the stimulation of chemoreceptors, e.g., of a carotid body.
2. A reflex initiated by the stimulation of chemoreceptors, e.g., of a carotid body.
A Chemical-Elements Chart History, Part 1, is available here.
See this list of chemical elements, for a greater understanding.
