Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Noun
S: (n) quark ((physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3) "quarks have not been observed directly but theoretical predictions based on their existence have been confirmed experimentally"
S: (n) natural science (the sciences involved in the study of the physical world and its phenomena)
S: (n) life science, bioscience (any of the branches of natural science dealing with the structure and behavior of living organisms)
S: (n) chemistry, chemical science (the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions)
S: (n) physics, physical science (the physical properties, phenomena, and laws of something) "he studied the physics of radiation"
S: (n) earth science (any of the sciences that deal with the earth or its parts)
S: (n) cosmography (the science that maps the general features of the universe; describes both heaven and earth (but without encroaching on geography or astronomy))