What is the simple definition of thermometer?
thermometer, instrument for measuring the temperature of a system. Temperature measurement is important to a wide range of activities, including manufacturing, scientific research, and medical practice. thermometer.
What is the medical definition for thermometer?
Thermometer: A device used to measure the temperature of gaseous, liquid or solid matter or of a chemical reaction such as fire.
What is thermometer and examples?
Thermometers work by measuring the response of a substance to heat and then translating the response into a number that we understand to be temperature. Examples include liquid-in-glass thermometers, spring thermometers, industrial gas thermometers, digital thermometers, and liquid crystal thermometers.
What are the 3 types of thermometers?
Types of thermometer
- Digital thermometers. Digital thermometers are quick to use, reasonably accurate and can be used under the armpit (always use the thermometer under the armpit with children under 5).
- Ear (or tympanic) thermometers.
- Infared thermometers.
- Strip-type thermometers.
- Mercury thermometers.
Why is it called thermometer?
The word thermometer (in its French form) first appeared in 1624 in La Récréation Mathématique by J. Leurechon, who describes one with a scale of 8 degrees. The word comes from the Greek words θερμός, thermos, meaning “hot” and μέτρον, metron, meaning “measure”.
What is thermometer Class 11?
Temperature of a body is the degree of hotness or coldness of the body. A device which is used to measure the temperature, is called a thermometer.
What is clinical thermometer answer?
A clinical thermometer is a thermometer used to measure human body temperature. Most made in the 20th century are mercury-in-glass thermometers. They are accurate and sensitive, having a narrow place where the mercury level rises very fast. A kink in the tube stops the mercury level from falling on its own.
What is the importance of thermometer?
Using a thermometer allows you to take the guess work out of cooking many different types of food, dishes you do not regularly cook all the time, bigger items such as large birds and roasts, and using different types of ovens where temperatures may vary.
What does the word thermometer mean?
Noun. 1. thermometer- measuring instrument for measuring temperature. alcohol thermometer, alcohol-in-glass thermometer- thermometer consisting of a glass capillary tube marked with degrees Celsius or Fahrenheit and containing alcohol which rises or falls as it expands or contracts with changes in temperature.
What does the name thermometer mean?
noun Ther*mom”e*ter An instrument for measuring temperature, founded on the principle that changes of temperature in bodies are accompanied by proportional changes in their volumes or dimensions.
What are the uses of a thermometer?
Thermometers are used in the House. When you need to know the temperature of objects to avoid burn injuries and ensure the safety of family members,especially youngsters,a thermometer
What is the function of a thermometer?
– Thermocouple- voltage device-indicates temperature by measuring change in temperature. – Resistive temperature device- takes the advantage of , resistance changes as temperature varies. – Infrared sensors- non-contact types- sense temperature by radiation – Bimetallic device- two metals having different thermal expansion coefficient – Thermometers – Silicon diode