rhombus

[ rom-buhs ]

noun

, plural rhom·bus·es, rhom·bi [rom, -bahy].

1. an oblique-angled equilateral parallelogram; any equilateral parallelogram except a square.
2. an equilateral parallelogram, including the square as a special case.
3. a rhombohedron.

rhombus

/ ˈrɒmbəs /

noun

1. an oblique-angled parallelogram having four equal sides Also calledrhomb Compare square

rhombus

/ rŏm′bəs /

, Plural rhombuses rŏm′bī

1. A parallelogram with four equal sides; an equilateral parallelogram.

Word History and Origins

Origin of rhombus¹

First recorded in 1560–70; from Latin, from Greek rhómbos “anything that may be spun around,” derivative of rhémbein “to revolve”

Word History and Origins

Origin of rhombus¹

C16: from Greek rhombos something that spins; related to rhembein to whirl

Example Sentences

The contractor, Rhombus Power, would later use generative AI to predict Russia’s full-scale invasion of Ukraine with 80% certainty four months in advance, for a different U.S. government client.

From Seattle Times

Rhombus says it also alerts government customers, who it declines to name, to imminent North Korean missile launches and Chinese space operations.

From Seattle Times

Its most potent intelligence use will be in predictive analysis, believes Rhombus Power’s CEO, Anshu Roy.

From Seattle Times

Rhombus’ AI machine draws on 5,000-plus datastreams in 250 languages gathered over 10-plus years including global news sources, satellite images and data cyberspace.

From Seattle Times

One contractor, Rhombus Power, used it to uncover fentanyl trafficking in China in 2019 at rates far exceeding human-only analysis.

From Seattle Times

Related Words

• gem
• jewel
• rhinestone