pions

/ˈpaɪɒnz/

Meanings

noun

Any of three semistable mesons, having positive, negative or neutral charge, composed of up and down quarks/antiquarks.

Examples :

"Scientists studying the decay of other particles often detect the presence of pions, which quickly break down into other, more stable particles. "

"Physicists study pions, along with other particles, to understand the fundamental forces of nature. "

physics element

Related Words

neutral noun

/ˈnjuːtɹəl/ /ˈnuːtɹəl/

A nonaligned state, or a member of such a state.

"Switzerland is a neutral in international conflicts. "

understand verb

/ˌɞndəɹˈstand/ /(ˌ)ʌndəˈstænd/ /ˌʌndɚˈstænd/

To grasp a concept fully and thoroughly, especially (of words, statements, art, etc.) to be aware of the meaning of and (of people) to be aware of the intent of.

"My teacher explained the new math concept, and I understood it perfectly. "

presence noun

/ˈpɹɛzəns/

The fact or condition of being present, or of being within sight or call, or at hand.

"Any painter can benefit from the presence of a live model from which to draw."

fundamental noun

/ˌfʌndəˈmɛntəl/

(usually in the plural) A leading or primary principle, rule, law, or article, which serves as the groundwork of a system; an essential part

"one of the fundamentals of linear algebra"

particles noun

/ˈpɑːtɪkl̩z/ /ˈpɑɹtɪkl̩z/

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

"Dust particles floated in the sunbeam coming through the window. "

studying verb

/ˈstʌdiːɪŋ/

(usually academic) To review materials already learned in order to make sure one does not forget them, usually in preparation for an examination.

"I need to study my biology notes."

composed verb

/kəmˈpəʊzd/ /kəmˈpoʊzd/

To make something by merging parts.

"The editor composed a historical journal from many individual letters."

scientists noun

/ˈsaɪəntɪsts/

One whose activities make use of the scientific method to answer questions regarding the measurable universe. A scientist may be involved in original research, or make use of the results of the research of others.

"Scientists study plants to understand how they grow. "

physicists noun

/ˈfɪzɪsɪsts/

A person whose occupation specializes in the science of physics, especially at a professional level.

"Physicists study the universe and try to understand how it works. "

negative noun

/ˈnɛ(e)ɡəˌɾɪv/ /ˈnɛɡətɪv/ /-ɾɪv/

Refusal or withholding of assents; prohibition, veto

"The teacher's negative on the project proposal meant we had to revise it completely. "

positive noun

/ˈpɒzɪ̈tɪv/ /ˈpɑzɪ̈tɪv/

A thing capable of being affirmed; something real or actual.

"The positive of finishing the project early is a bonus week of vacation. "

antiquarks noun

/ˌæntiˈkwɑːrks/ /ˌæntaɪˈkwɑːrks/

The antiparticle of a quark.

"Scientists study how quarks and antiquarks combine to form different types of matter. "