thermometer

As a proper noun oven

is fornax.

As a noun thermometer is

thermometer.

As a noun thermometer

is thermometer.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between thermography and thermometer

is that thermography is (physics) any of several techniques for the remote measurement of the temperature variations of a body, especially by creating images produced by infrared radiation while thermometer is thermometer.

As nouns the difference between thermometer and pyrometers

is that thermometer is thermometer while pyrometers is .

As a pronoun I

is the speaker or writer, referred to as the grammatical subject, of a sentence.

As a noun thermometer is

an apparatus used to measure temperature.

As nouns the difference between hydrogen and thermometer

is that hydrogen is the lightest chemical element (symbol h) with an atomic number of 1 and atomic weight of 100794 while thermometer is thermometer.

As nouns the difference between thermometer and detector

is that thermometer is thermometer while detector is a device capable of registering a specific substance or physical phenomenon.

As nouns the difference between thermometer and telethermometer

is that thermometer is an apparatus used to measure temperature while telethermometer is an apparatus for determining the temperature of a distant point, by a thermoelectric circuit or otherwise.

As nouns the difference between thermometer and measure

is that thermometer is thermometer while measure is the quantity, size, weight, distance or capacity of a substance compared to a designated standard.

As a verb measure is

to ascertain the quantity of a unit of material via calculated comparison with respect to a standard.