mortuary –adj. of or relating to burial or death
quarry – n. place where large amounts of stone are dug out of the ground
ethnicity –n. a particular race or group of people who have a culture different from the main culture of a country
disc –n. a flat, thin, round object
burial –n. the act or ceremony of burying a dead person in a grave.
significant –adj. very important
isotope –n. any one of different forms in which the atoms of a chemical element can occur