thermo-, therm-, thermi-, -thermia, -therm, -thermal, -thermic, -thermias, -thermies, -thermous, -thermy

(Greek: heat, heating, heater, hot, warm)

The term heat is employed in ordinary language in different senses. Some scientists distinguish four principal applications of the term:

  1. Sensation of heat.
  2. Temperature, or degree of hotness.
  3. Quantity of thermal energy.
  4. Radiant heat, or energy of radiation.

acrohypothermia (s), acrohypothermias (pl) (nouns)
Abnormal coldness of the hands and feet: "Acrohypothermia is often a condition in which patients with schizophrenia are commonly associated with acrocyanosis which is a bluish discoloration of the skin and mucous membranes when a spasm of the blood vessels is caused by exposure to cold or because of strong emotion."
acrohypothermy (s), acrohypothermies (pl) (nouns)
Abnormal coldness of the extremities; such as, the fingers, hands, toes, and feet.
adiathermance
Impermeability to radiant heat energy.
adiathermancy (s) (noun), adiathermancies (pl)
The condition of being impervious to or unaffected by heat waves: Jake's aunt often experienced adiathermancy and so she didn't find the heat of the desert all that uncomfortable.
adiathermanic
Impermeability to heat (not allowing heat to pass through or to diffuse).
adiathermanous (adjective), more adiathermanous, most adiathermanous
In physics, a reference to the inability to transmit radiant heat or not affected by heat: The new adiathermanous material was a great advantage for the plumbing and heating industry.
adiathermic (adjective), more adiathermic, most adiathermic
Characteristic of something that is not capable of transmitting radiant heat: The plumber installed adiathermic pipes in the basement of the building.
aerothermodynamic
aerothermodynamics
1. Pertaining to the thermodynamic effects of air and other gases.
2. The branch of dynamics dealing with the study of the relationship between heat and mechnical energy in air and other gases.
3. The study of the relationship of heat and mechanical energy in gases, especially air.
aerothermotherapy
1. Treatment with currents of hot air.
2. Therapeutic use of warmed air currents conveyed over the surface of the body.
allotherm
An organism having a body temperature determined largely by the ambient or surrounding temperature.
aluminothermics
aluminothermy
A process by means of which high temperatures are produced by the combination of aluminium and oxygen.
anathermal
1. In geology, a postglacial period extending from about 10,000 to 7,500 years ago, during which temperatures generally rose following the last major continental glacier advance.
2. Of or relating to any period during which temperatures are/were rising.
3. A period of time between the age of other strata or units of reference in which the temperature is increasing.
angiodiathermia

Quiz You can find self-scoring quizzes over many of the words in this subject area by going to this Thermo- Vocabulary Quizzes page.

Related "heat, hot" word units: ferv-; pyreto-.

Related "bubble" word unit: ebulli-.