Thermometer
The Spanish word 'termómetro' translates to 'thermometer' in English. A thermometer is a tool that is utilized to measure temperature in various contexts such as weather forecast, medicine, cooking, and scientific research. The word 'termómetro' comes from the Greek words 'thermo' meaning 'heat' and 'metron' meaning 'measure'. In Spanish speaking countries, this device is used in the same way as in English speaking countries, for checking body temperature, weather temperature, cooking process, etc.
The thermometer shows thirty degrees.
In this instance, the word 'termómetro' is used to indicate that it is the tool being used to measure temperature, showing us that it's thirty degrees.
The boy broke the thermometer.
Here, 'termómetro' is the object that the subject of the sentence (the boy) is interacting with. The verb 'rompió' indicates that the action being taken on the object is that it is being broken.
I need to buy a new thermometer.
In this phrase, 'termómetro' is the object being referred to in relation to the verb 'comprar' (to buy). Here, the subject of the sentence (implied to be 'I') is indicating a future action they need to take regarding the 'termómetro'.