英语词汇“tetrad”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

A tetrad is a group of four things. If you've ordered four pizzas for dinner, you can announce that you are serving a tetrad of pizzas.

You can use the noun tetrad to talk about a set of four numbers in math, or a group of four things in various branches of science — one kind of tetrad is a group of four spores in one specific type of yeast. It's more common in non-scientific speech to say quartet or quadruplet. Tetrad comes from a Greek root, the word tetras, "group of four," from tetra, or "four."

WORD FAMILY

tetrad: tetrads

USAGE EXAMPLES

Tetrad’s CEO and board chairman declined to comment on the project.

Washington Times(Dec 26, 2016)

He communicates with more than a dozen investors about Tetrad’s projects and wells.

Washington Times(Jun 15, 2016)

Fortigen, which is owned by Tetrad Corp., of Omaha, plans to build the plant on the eastern edge of Geneva.

Washington Times(Dec 31, 2015)

n the cardinal number that is the sum of three and one

Syn|Hyper

4, IV, Little Joe, four, foursome, quadruplet, quartet, quatern, quaternary, quaternion, quaternity

digit, figure

one of the elements that collectively form a system of numeration

单词	tetrad
释义	tetrad (once / 123118 pages) n A tetrad is a group of four things. If you've ordered four pizzas for dinner, you can announce that you are serving a tetrad of pizzas. You can use the noun tetrad to talk about a set of four numbers in math, or a group of four things in various branches of science — one kind of tetrad is a group of four spores in one specific type of yeast. It's more common in non-scientific speech to say quartet or quadruplet. Tetrad comes from a Greek root, the word tetras, "group of four," from tetra, or "four." WORD FAMILY tetrad: tetrads USAGE EXAMPLES Tetrad’s CEO and board chairman declined to comment on the project. Washington Times(Dec 26, 2016) He communicates with more than a dozen investors about Tetrad’s projects and wells. Washington Times(Jun 15, 2016) Fortigen, which is owned by Tetrad Corp., of Omaha, plans to build the plant on the eastern edge of Geneva. Washington Times(Dec 31, 2015) n the cardinal number that is the sum of three and one Syn\|Hyper 4, IV, Little Joe, four, foursome, quadruplet, quartet, quatern, quaternary, quaternion, quaternity digit, figure one of the elements that collectively form a system of numeration
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