decimal point Move 4

noun: a period placed between the units and the tenths in decimal numbers. It is used when writing money amounts to separate dollars and cents. synonyms: dot

di·la·tion Move 5

noun: the process of enlarging an organ such as the cervix or the pupil of the eye.

noun: the act en·large·ment or result of Move 6 making larger

ex·pres·sion Move 1

noun: the act of telling or showing thoughts or feelings. His gift was an expression of his love. synonyms: communication, talk, telling

fast Move 2

adjective: moving or operating with speed. He's a fast runner. She drives a fast car. synonyms: quick, rapid antonyms: slow adverb: with speed

in·ter·est Move 3

noun: the desire to learn or know about something. The teacher took an interest in his student's work. synonyms: enthusiasm, stake

like·li·hood Move 4

noun: the state of being likely. The likelihood of his winning the race is great. synonyms: chance, probability

mi·crom·e·ter1 Move 5

noun: an instrument for measuring minute distances, angles, diameters, and the like in telescopic and microscopic images.

neg·a·tive Move 6

adjective: saying or meaning "no." He gave a negative answer to the question. synonyms: positive antonyms: positive

ob·tuse an·gle Move 1

noun: an angle greater than 90 degrees and less than 180 degrees.

out·come Move 2

noun: a result of something. I'm pleased with the outcome of your work. synonyms: conclusion, consequence, result antonyms: source

pos·i·tive Move 3

adjective: having to do with an amount greater than zero. Jane keeps a positive balance in her bank account.

proof Move 4

noun: any material that proves something is true or real. Scientists are searching for proof of life on other planets. synonyms: evidence

pro·trac·tor Move 5

noun: a semicircular instrument with graduated markings, used in mathematics, surveying, and the like to construct and measure angles.

re·duce Move 6

verb: to make less in amount or size. The teacher reduced the amount of homework this year. The store owner reduced some of the prices. antonyms: extend, increase

re·la·tion·ship Move 1

noun: a connection of some kind. There is a relationship between exercise and good health. The management has a good relationship with the workers. synonyms: connection

Roman numeral Move 2

noun: a letter used as a number in the ancient Roman number system. The letter I equals 1, V equals 5, X equals 10, L equals 50, C equals 100, D equals 500, and M equals 1,000. In this system, a letter followed by one of equal or lesser value means the two are added

straight angle Move 3

noun: an angle of 180 degrees.

tail Move 4 tal·ly Move 5

noun: the bottom or end part of anything. You should tuck in the tail of your shirt. The kite's tail waved in the wind. noun: the written record of a total. Here is the tally of what you owe me. synonyms: score, sum, total verb: to find the total of

three-di·men·sion·al Move 6

adjective: having or appearing in three dimensions

trans·for·ma·tion Move 1

noun: a major change in the form, shape, character, or nature of something or someone. We were surprised by the bird's transformation from ugly duckling to beautiful swan. synonyms: conversion, metamorphosis

trans·la·tion Move 2

noun: the act of changing writing or speech from one language to another. She does a lot of translation in her job.

tri·ple Move 3 un·ion Move4

adjective: three times as much noun: a group of states or countries united under a single government. The U.S. Civil War began when the northern states refused to allow the southern states to leave the Union. synonyms: league OR an organization of working people. The union agreed on a contract that promised fair wages for its members.