-ism, -ismus

(Greek, ismos; Latin, ismus: a suffix: belief in, practice of, condition of, process, characteristic behavior or manner, abnormal state, distinctive feature or trait)

thermochroism
1. The differential properties of heat radiation with respect to refraction, reflection, and absorption, depending on wave length.
2. The property of certain substances which differentially transmit, absorb, or change radiant heat depending on wave length.
thermoperiodism
The phenomenon shown by certain plants; such as, chrysanthemum and tomato, in which there is a response to alternating periods of low and high temperatures.

Such plants will flower earlier and more profusely if subjected to low night and high day temperatures.

thermosystaltism, thermosystalic
Contraction, as of the muscles, under the influence of heat.
thermotropism
1. The motion by a part of an organism (e.g., leaves or stems) toward or away from a source of heat.
2. An orientation response to a heat stimulus; turning or bending under the influence of heat; usually a reference to cells and multicellular organisms.
3. The movement or growth of an organism or part of an organism in response to heat.
thesaurismosis, thesaurismotic
A term for a metabolic disorder in which a substance accumulates or is stored in certain cells, usually in large amounts.
thigmotropism
1. An orientation response to touch or a contact stimulus.
2. The orientation of an organism in response to a mechanical displacement.
3. Growth curvature in response to a contact stimulus found in clinging plant organs.
4. A tendency of an organism or part of an organism to bend or to turn in response to a touch stimulus; such as, a vine coiling around a string support.
thixotropism
Thixotropy or the property exhibited by certain gels of becoming fluid when stirred or shaken and returning to the semisolid state upon standing.
thromboembolism
Titanism (s) (noun), Titanisms (pl)
Rebelliousness, defiance, or rebellion against an established or constituted authority: The Titanism in Greek mythology consisted of the struggles of the Titans against the Olympian gods.
trachelism, trachelismus
A bending backward of the neck, such as sometimes ushers in an epileptic attack; literally, "a seizing by the throat".
transcendentalism (s) (noun) (no plural)
1. A system of philosophy that emphasizes the intuitive and spiritual above the physical, scientific, and material: Founders of the American movement of transcendentalism were striving "to climb beyond" traditional empirical thinking, favoring instead a person’s insight or premonition and natural spirituality.

Ralph Waldo Emerson summed up the beliefs of transcendentalism when he said, "What lies behind us, and what lies before us are tiny matters compared to what lies within us."

2. Etymology: from Latin transcendere, "to climb over or beyond, to surmount"; from trans-, "beyond" + scandere, "to climb".
transmigrationism (s) (noun), transmigrationisms (pl)
The belief that the soul passes into another body at death.
traumatism (s), traumatisms (pl) (nouns)
A condition resulting from a physical injury or a wound or from an emotional shock.
traumatropism (s), traumatropisms (pl) (nouns)
1. An orientation response to injury or stress.
2. Alteration in direction, or modification of the orientation; for example, of the growth of a plant due to a wound.
3. The responsive growth, or movement, of organisms in relation to injuries.
trichographism
The production of "goose flesh" when stroking the skin; pilomotor or moving hairs.