| assay |
to try out or test. |
| commerce |
the buying and selling of goods or services; trade; business. |
| compulsory |
required or necessary. |
| controversy |
a disagreement; debate. |
| fathom |
to get to the bottom of or understand completely. |
| inaugurate |
to start or cause to start formally. |
| lapse |
a slight failure to meet some accepted standard. |
| morality |
general beliefs concerning what is right or wrong. |
| pastor |
a minister or priest in charge of a church or congregation. |
| plumb |
to examine closely. |
| radiation |
the waves of energy sent out by sources of heat or light, or by radioactive material. |
| regulate |
to control by rules or a method. |
| rivalry |
the act, relation, or condition of one who competes with another or of those who compete with each for dominance. |
| theory |
a reasonable, widely accepted explanation for why something happens. |
| unfamiliar |
not known or experienced before; unusual; strange. |