xi baryon

(quantum mechanics) An entity which simultaneously has the properties of a wave and a particle.

(mathematics, in a system of multiple variables) To remove one variable (by giving it a fixed value) in order to identify any correlation between others

(UK, dated) A spell of smog over the city of London, England. / (UK, dated) A thick pea-and-ham soup.

(astronomy) A high-energy particle coming from the Sun.

A gift given to someone who is leaving; a leaving present.

plural of partial pin

(chess) A pin where a rook or queen is pinned along a file, or a bishop or queen is pinned along a diagonal.

That partiality by which people overrate their own worth when compared with others.

plural of particle horizon