| arithmetic | | |
| n. (cognition) | 1. arithmetic | the branch of pure mathematics dealing with the theory of numerical calculations. |
| ~ math, mathematics, maths | a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement. |
| ~ pure mathematics | the branches of mathematics that study and develop the principles of mathematics for their own sake rather than for their immediate usefulness. |
| ~ algorism | computation with Arabic figures. |
| ~ miscalculate, misestimate | calculate incorrectly.; "I miscalculated the number of guests at the wedding" |
| ~ recalculate | calculate anew.; "The costs had to be recalculated" |
| ~ average out, average | compute the average of. |
| ~ square | raise to the second power. |
| ~ cube | raise to the third power. |
| ~ factor, factor in, factor out | resolve into factors.; "a quantum computer can factor the number 15" |
| ~ add together, add | make an addition by combining numbers.; "Add 27 and 49, please!" |
| ~ foot up, foot | add a column of numbers. |
| ~ deduct, subtract, take off | make a subtraction.; "subtract this amount from my paycheck" |
| ~ multiply | combine by multiplication.; "multiply 10 by 15" |
| ~ raise | multiply (a number) by itself a specified number of times: 8 is 2 raised to the power 3. |
| ~ fraction, divide | perform a division.; "Can you divide 49 by seven?" |
| ~ halve | divide by two; divide into halves.; "Halve the cake" |
| ~ quarter | divide by four; divide into quarters. |
| ~ make | add up to.; "four and four make eight" |
| ~ contain | be divisible by.; "24 contains 6" |
| adj. (pertain) | 2. arithmetic, arithmetical | relating to or involving arithmetic.; "arithmetical computations" |
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