11-Letter Words Starting TH & Ending S

• To lower the velocity and kinetic energy of fast neutrons in a nuclear reactor by use of a moderator, and thus increase the efficiency of fission

• The movement of an organism either towards or away from the stimulus of physical contact.

• A small thumb or finger-operated wheel on a mechanical or electronic device.

• treat from a theological viewpoint or render theological in character

• make theoretical speculations about theology or discuss theological subjects

• instrument of torture that crushes the thumb

• screw designed to be turned with the thumb and fingers

• Movement in response to temperature