Term: thunderhead: a rounded projecting mass of a cumulus cloud with shining edges; often appears before a thunderstorm
Candidate hypernym: cloud: a visible mass of water or ice particles suspended at a considerable altitude → 1
Candidate hypernym: kidney fern: large fern of New Zealand having kidney-shaped fronds → 0
Candidate hypernym: european bog asphodel: of western Europe: Scandinavia to northern Spain and Portugal → 0
Candidate hypernym: bessemer process: an industrial process for making steel using a Bessemer converter to blast air through molten iron and thus burning the excess carbon and impurities; the first successful method of making steel in quantity at low cost → 0
Candidate hypernym: inventor: someone who is the first to think of or make something → 0
Candidate hypernym: dust contamination: the act of contaminating with dust particles → 0
Candidate hypernym: drumbeat: (military) the beating of a drum as a signal for lowering the flag at sundown → 0
Candidate hypernym: dopamine: a monoamine neurotransmitter found in the brain and essential for the normal functioning of the central nervous system; as a drug (trade names Dopastat and Intropin) it is used to treat shock and hypotension → 0
Candidate hypernym: gal: a unit of gravitational acceleration equal to one centimeter per second per second (named after Galileo) → 0
Candidate hypernym: protective fold: a flap of tissue that protects what it covers → 0
Candidate hypernym: pyrochemical process: processes for chemical reactions at high temperatures → 0