Term: planck's constant: the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second
Candidate hypernym: factor of proportionality: the constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is the factor of proportionality → 1
Candidate hypernym: tennis lesson: a lesson in playing tennis → 0
Candidate hypernym: deathbed: the bed on which a person dies → 0
Candidate hypernym: pickup: a warrant to take someone into custody → 0
Candidate hypernym: wool grass: sedge of eastern North America having numerous clustered woolly spikelets → 0
Candidate hypernym: oscillogram: the recording produced by an oscillograph → 0
Candidate hypernym: scald: the act of burning with steam or hot water → 0
Candidate hypernym: lifer: a prisoner serving a term of life imprisonment → 0
Candidate hypernym: illyrian: a minor and almost extinct branch of the Indo-European languages; spoken along the Dalmatian coast → 0
Candidate hypernym: litmus paper: unsized paper treated with litmus for use as an acid-base indicator → 0
Candidate hypernym: sparganium: type and sole genus of Sparganiaceae; marsh or aquatic herbs of temperate regions → 0