Term: collimator: optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam
Candidate hypernym: optical device: a device for producing or controlling light → 1
Candidate hypernym: anthropometry: measurement and study of the human body and its parts and capacities → 0
Candidate hypernym: icing: (ice hockey) the act of shooting the puck from within your own defensive area the length of the rink beyond the opponent's goal → 0
Candidate hypernym: diptera: a large order of insects having a single pair of wings and sucking or piercing mouths; includes true flies and mosquitoes and gnats and crane flies → 0
Candidate hypernym: coalfield: a region where there is coal underground → 0
Candidate hypernym: fact: a concept whose truth can be proved → 0
Candidate hypernym: tongue: the flap of material under the laces of a shoe or boot → 0
Candidate hypernym: trifolium: any leguminous plant having leaves divided into three leaflets → 0
Candidate hypernym: nightcap: a cloth cap worn in bed → 0
Candidate hypernym: intervertebral vein: one of several veins accompanying spinal nerves → 0
Candidate hypernym: bully: a hired thug → 0