Term: absolute ceiling: the maximum altitude at which an airplane can maintain horizontal flight
Candidate hypernym: ceiling: maximum altitude at which a plane can fly (under specified conditions) → 1
Candidate hypernym: biological clock: an innate mechanism in living organisms that controls the periodicity of many physiological functions → 0
Candidate hypernym: white croaker: small silvery marine food fish found off California → 0
Candidate hypernym: sentimentalization: the act of indulging in sentiment → 0
Candidate hypernym: dream: a series of mental images and emotions occurring during sleep → 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: circle: something approximating the shape of a circle → 0
Candidate hypernym: flatbread: any of various breads made from usually unleavened dough → 0
Candidate hypernym: weather map: (meteorology) a map showing the principal meteorological elements at a given time and over an extended region → 0
Candidate hypernym: velvet grass: tall European perennial grass having a velvety stem; naturalized in United States and used for forage → 0
Candidate hypernym: retinoblastoma: malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells → 0