the finger next to the thumb | a significant word used in indexing or cataloging |
an alphabetical listing of names and topics along with page numbers where they are discussed | a word that is used as a pattern to decode an encrypted message |
a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time | |
a mathematical notation indicating the number of times a quantity is multiplied by itself | |
a numerical scale used to compare variables with one another or with some reference number | |