Background for thermionic
BeDict Logo

thermionic

/ˌθɜrmiˈɑnɪk/ /ˌθɜːmiˈɒnɪk/

Meanings
adjective
Concerning the emission of electrons from a heated electrode.

Examples :

"The old radio used a thermionic valve to amplify the signal, relying on the heat to release electrons. "
physics electronics technology

Related Words

Illustration electrode

electrode noun

/iˈlɛk.tɹəʊd/

The terminal through which electric current passes between metallic and nonmetallic parts of an electric circuit

"The doctor attached the electrode to my skin to monitor my heart's electrical activity. "

Illustration emission

emission noun

/ɪˈmɪʃn̩/

Something which is emitted or sent out; issue.

"the emission was mostly blood"

Illustration from

from preposition

/fɹɒm/ /fɹʌm/

Used to indicate source or provenance.

"I got a letter from my brother."

Illustration relying

relying verb

/rɪˈlaɪɪŋ/ /riˈlaɪɪŋ/

(with on or upon, formerly also with in) to trust; to have confidence in; to depend.

"Example Sentence: "She is relying on her notes to help her answer the exam questions." "

Illustration amplify

amplify verb

/ˈæmp.lɪ.faɪ/

To render larger, more extended, or more intense.

"amplify a microscopes"

Illustration electrons

electrons noun

/ɪˈlɛktrɑnz/ /iˈlɛktrɑnz/

The subatomic particle having a negative charge and orbiting the nucleus; the flow of electrons in a conductor constitutes electricity.

"Simple sentence: "The light bulb works because electrons flow through the wire, creating electricity." "

Illustration radio

radio noun

/ˈɹeɪdiˌəʊ/ /ˈɹeɪdiˌoʊ/

The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.

"My radio broadcasts the latest news during my morning commute. "

Illustration concerning

concerning verb

/kənˈsɜːnɪŋ/ /kənˈsɝnɪŋ/

To relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to.

"The upcoming school field trip concerns all the students in Grade 5. "

Illustration valve

valve noun

/ˈvælv/

A device that controls the flow of a gas or fluid through a pipe.

"The water valve needs to be turned off to prevent a leak. "

Illustration signal

signal noun

/ˈsɪɡnəl/

A sequence of states representing an encoded message in a communication channel.

"The flashing red light was a signal that the school cafeteria was out of pizza. "

Illustration heated

heated verb

/ˈhiːtɪd/

To cause an increase in temperature of (an object or space); to cause to become hot (often with "up").

"The oven was heated up to 350 degrees for the roast. "

Illustration release

release noun

/ɹɪˈliːs/ /ɹiːˈliːs/

The event of setting (someone or something) free (e.g. hostages, slaves, prisoners, caged animals, hooked or stuck mechanisms).

"The release of the trapped students from the burning building was a joyous occasion. "