Term: fresnel lens: lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length
Candidate hypernym: lens: a transparent optical device used to converge or diverge transmitted light and to form images → 1
Candidate hypernym: zone: (anatomy) any encircling or beltlike structure → 0
Candidate hypernym: frozen yogurt: a soft frozen dessert of sweetened flavored yogurt → 0
Candidate hypernym: horse trader: a hard bargainer → 0
Candidate hypernym: water cooler: a device for cooling and dispensing drinking water → 0
Candidate hypernym: support column: a column that supports a heavy weight → 0
Candidate hypernym: dream: a state of mind characterized by abstraction and release from reality → 0
Candidate hypernym: dragonfly: slender-bodied non-stinging insect having iridescent wings that are outspread at rest; adults and nymphs feed on mosquitoes etc. → 0
Candidate hypernym: equatability: capability of being equated → 0
Candidate hypernym: sword-cut: a scar from a cut made by a sword → 0
Candidate hypernym: marsh gas: methane gas produced when vegetation decomposes in water → 0