<span class="searchmatch">tephrochronometry</span> (uncountable) The chronometry of tephra formation....
tephrology (uncountable) The scientific study of tephra. tephrological <span class="searchmatch">tephrochronometry</span> tephrostratigraphy...
technology of time measurement. chronometric chronometrical chronometrically chronometrist cosmochronometry <span class="searchmatch">tephrochronometry</span> thermochronometry chronometer...