Term: libration: (astronomy) a real or apparent slow oscillation of a moon or satellite
Candidate hypernym: oscillation: the process of oscillating between states → 1
Candidate hypernym: sender: someone who transmits a message → 0
Candidate hypernym: fossil: the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil → 0
Candidate hypernym: molecular weight: (chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule → 0
Candidate hypernym: pressure point: where problems or difficulties are likely to occur → 0
Candidate hypernym: character set: an ordered list of characters that are used together in writing or printing → 0
Candidate hypernym: step: the act of changing location by raising the foot and setting it down → 0
Candidate hypernym: beaver board: a light wallboard made of compressed wood pulp → 0
Candidate hypernym: esox: type and only genus of the family Esocidae → 0
Candidate hypernym: ritz: an ostentatiously elegant hotel → 0
Candidate hypernym: network: a system of intersecting lines or channels → 0