Term: crown lens: a lens made of optical crown glass
Broader: lens: a transparent optical device used to converge or diverge transmitted light and to form images | Unrelated: lowness: the quality of being low; lacking height
Broader: lens: a transparent optical device used to converge or diverge transmitted light and to form images | Unrelated: gracelessness: an unpleasant lack of grace in carriage or form or movement or expression
Broader: lens: a transparent optical device used to converge or diverge transmitted light and to form images | Unrelated: defender: a person who cares for persons or property
Broader: lens: a transparent optical device used to converge or diverge transmitted light and to form images | Unrelated: outsize: an unusual garment size (especially one that is very large)
Broader: lens: a transparent optical device used to converge or diverge transmitted light and to form images | Unrelated: piquet: a card game for two players using a reduced pack of 32 cards
Broader: lens: a transparent optical device used to converge or diverge transmitted light and to form images | Unrelated: free world: anti-communist countries collectively
Broader: lens: a transparent optical device used to converge or diverge transmitted light and to form images | Unrelated: schoolmarm: a woman schoolteacher (especially one regarded as strict)
Broader: lens: a transparent optical device used to converge or diverge transmitted light and to form images | Unrelated: ergot: a fungus that infects various cereal plants forming compact black masses of branching filaments that replace many grains of the plant; source of medicinally important alkaloids and of lysergic acid
Broader: lens: a transparent optical device used to converge or diverge transmitted light and to form images | Unrelated: disk access: memory access to the computer disk on which information is stored
Broader: lens: a transparent optical device used to converge or diverge transmitted light and to form images | Unrelated: orange yellow: a shade of yellow tinged with orange