Term: radiation pressure: the minute pressure exerted on a surface normal to the direction of propagation of a wave
Candidate hypernym: pressure: the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit) → 1
Candidate hypernym: ovulation method of family planning: natural family planning in which the fertile period is inferred from changes in the character and quantity of cervical mucus; ovulation is marked by an increase in mucus that becomes sticky and then clearer and slippery → 0
Candidate hypernym: bornite: a mineral consisting of sulfides of copper and iron that is found in copper deposits → 0
Candidate hypernym: pyorrhea: chronic periodontitis; purulent inflammation of the teeth sockets → 0
Candidate hypernym: terra alba: finely pulverized gypsum used especially as a pigment → 0
Candidate hypernym: filmy fern: any fern of the genus Hymenophyllum growing in tropical humid regions and having translucent leaves → 0
Candidate hypernym: harpoon line: a strong rope for making the catch fast to the harpooner's boat → 0
Candidate hypernym: plowshare: a sharp steel wedge that cuts loose the top layer of soil → 0
Candidate hypernym: wheel horse: a draft horse harnessed behind others and nearest the wheels of a vehicle → 0
Candidate hypernym: geothermal energy: energy derived from the heat in the interior of the earth → 0
Candidate hypernym: teth: the 9th letter of the Hebrew alphabet → 0