Anagrams of: CALVINCOOLIDGE

• utter with tense vocal chords

• relating to or produced by or consisting of volcanoes

• explosively unstable

• igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt

• characterized by the interdependence of living organisms in an environment

• of or relating to the science of ecology

• of or pertaining to or characteristic of an orientation that characterizes the thinking of a group or nation

• concerned with or suggestive of ideas

• the process of paying close and continuous attention

• vigilant attentiveness

• bone linking the scapula and sternum

• a confidential or secret meeting

• an evasion of the point of an argument by raising irrelevant distinctions or objections

• raise trivial objections

• immunogen consisting of a suspension of weakened or dead pathogenic cells injected in order to stimulate the production of antibodies