antiparticle

/ˈæntiˌpɑɹtɪkəl/

Meanings

noun

A subatomic particle corresponding to another particle with the same mass, spin and mean lifetime but with charge, parity, strangeness and other quantum numbers flipped in sign; a particle that has a reversed world line to another.

Examples :

"When a high-energy collision creates an electron, it almost always creates its corresponding antiparticle, a positron, at the same time. "

Related Words

positron noun

/ˈpɒz.ɪ.tɹɒn/ /ˈpɑ.zɪ.tɹɑn/

The antimatter equivalent of an electron, having the same mass but a positive charge

"The notion of a positron weapon remains the stuff of science fiction."

lifetime noun

/ˈlaɪftaɪm/

The duration of the life of someone or something.

"My grandmother's lifetime of experience made her a valuable advisor. "

corresponding verb

/ˌkɒɹəˈspɒndɪŋ/ /ˌkɑɹəˈspɑndɪŋ/

(constructed with to) To be equivalent or similar in character, quantity, quality, origin, structure, function etc.

"The student's performance on the math test corresponded to the level of effort she put in during the week. "

reversed verb

/rɪˈvɜːrst/ /rɪˈvɜrstɪd/

To turn something around so that it faces the opposite direction or runs in the opposite sequence.

"to reverse a portion of video footage"

quantum noun

[ˈkwɑɾ̃əm] /ˈkwɒntəm/ /ˈkwɑntəm/

The total amount of something; quantity.

"The student received a small quantum of extra credit for participating in class. "

particle noun

/ˈpɑːtɪk(ə)l/ /ˈpɑɹtɪkəl/

A very small piece of matter, a fragment; especially, the smallest possible part of something.

"The scientist studied the tiny particle of dust. "

strangeness noun

/ˈstreɪndʒnəs/

The state or quality of being strange, odd or weird.

"The strangeness of the new student's behavior made the other kids uncomfortable. "

collision noun

/kəˈlɪʒən/

An instance of colliding.

"The minor collision in the school parking lot caused a small dent in the car's bumper. "

electron noun

/ɪˈlɛktɹɒn/ /ɪˈlɛktɹɑn/

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

"The electrons flowing through the wires in my computer allow me to type this message. "

subatomic adjective

/ˌsʌbəˈtɑmɪk/ /ˌsʌbæˈtɑmɪk/

Relating to particles that are constituents of the atom, or are smaller than an atom; such as proton, neutron, electron, etc.

"Scientists use powerful microscopes to study the behavior of subatomic particles inside atoms. "

numbers noun

/ˈnʌmbəz/ /ˈnʌmbɚz/

An abstract entity used to describe quantity.

"Zero, one, −1, 2.5, and pi are all numbers."

another pronoun

/æˈnʌð.ə(ɹ)/ /əˈnʌð.ə(ɹ)/ /æˈnʌð.ɚ/ /əˈnʌð.ɚ/

An additional one of the same kind.

"There is one sterling and here is another"