| cardinal number |
any number used to indicate how many. One, three, and fifteen are cardinal numbers. |
| circulation |
the number of copies of a newspaper or magazine that are sold at a given time, or the selling itself. [1/3 definitions] |
| common denominator |
a number into which the denominators of two or more fractions can all be evenly divided. |
| concoct |
to make by putting together a number of parts or ingredients. [1/2 definitions] |
| copy |
one of a number of books, magazines, photographs, or scores of music that were printed at the same time. [1/5 definitions] |
| couch |
a piece of indoor furniture made for a number of people to sit on at the same time; sofa. |
| count1 |
the total number reached by counting. [1/8 definitions] |
| countdown |
the act of counting down to zero from a higher number to prepare for the start of an event. |
| countless |
very great in number; not able to be counted. |
| Covid-19 |
a serious, sometimes fatal, disease caused by a certain type of virus called a "coronavirus." This particular coronavirus broke out for the first time in 2019, and the disease spread all over the world in 2020. "Co" in Covid stands for "corona," "vi" stands for "virus," and "d" stands for "disease." The number 19 refers to the year 2019. The name "Covid-19" is oftened shortened to "Covid." |
| crowd |
a large number of people gathered together. [1/5 definitions] |
| cube1 |
The product of a number multiplied by itself twice. [1/5 definitions] |
| decimal |
based on the number ten. [2/3 definitions] |
| denominator |
the number in a fraction that is below the division line. It shows the number of equal parts into which the top number is to be divided. |
| dialing code |
the British word for the set of digits at the beginning of a telephone number that represents a telephone district. "Dialing code" has a meaning similar to "area code." |
| dial tone |
the steady hum or buzzing sound in a telephone receiver showing that the line is open and a number may be dialed or entered. |
| difference |
the amount by which one thing or number differs from another. [1/4 definitions] |
| divide |
to separate a number into equal sets of another number by using division. [1/5 definitions] |
| dividend |
the number to be divided by another number in math equations. [1/2 definitions] |
| division |
the arithmetic operation that finds how many times one number contains another. [1/6 definitions] |
| division sign |
a mathematical sign made up of a small horizontal line with one dot above it and one dot below it ( ÷ ). It indicates that the number coming before it is to be divided by the number coming after it. |