adamantane

American  

[ad-uh-man-teyn] / ˌæd əˈmæn teɪn /

noun

Chemistry.

1. a white crystalline alicyclic hydrocarbon, C 10 H 16 , consisting of four fused cyclohexane rings, with the carbon atoms arranged as in the diamond lattice.

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Etymology

Origin of adamantane

< French; see adamant, -ane; so called from the diamondlike arrangement of the carbon atoms

Example Sentences

They exposed tiny adamantane crystals to electron beams of 80-200 kiloelectron volts at temperatures between 100-296 kelvins in a vacuum for several seconds.

From Science Daily • Oct. 29, 2025

TEM imaging revealed how chains of adamantane molecules gradually transformed into spherical nanodiamonds, with the reaction rate controlled by the breaking of C-H bonds.

From Science Daily • Oct. 29, 2025

In 1959 two Du Pont chemists rejiggered the molecular structure of adamantane a bit and developed a new compound, known as EXP-105-1.

From Time Magazine Archive

One notable case is the company's new anti-virus drug, Symmetrel, which derives from a compound of organic chemicals that has a uniquely diamond-shaped molecular structure and is called adamantane.

From Time Magazine Archive

One of the compounds based on the adamantane molecule showed promise, not only for animals but also for humans.

From Time Magazine Archive