ico·​sa·​he·​dral | \ (ˌ)ī-ˌkō-sə-ˈhē-drəl How to pronounce icosahedral (audio) , -ˌkä- \

Definition of icosahedral

: of or having the form of an icosahedron

Examples of icosahedral in a Sentence

Recent Examples on the Web Thinking of the Fuller domes, the group made the interpretive leap (later borne out through testing) that this molecule might look like one: a closed cage structure, with icosahedral symmetry. Rebecca Onion, The New Republic, 19 Aug. 2022 However, nature’s radiolarian examples are the most stunning instances of icosahedral symmetry and well worth a careful look. George Hart, Scientific American, 22 Mar. 2013 Most phages have an icosahedral head—like a die with 20 triangular faces. Charles Schmidt, Scientific American, 1 Nov. 2019 But most icosahedral viral capsids comprise a much larger number of subunits, and placing the proteins in this way never allows for more than 60. Quanta Magazine, 19 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'icosahedral.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of icosahedral

circa 1828, in the meaning defined above

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The first known use of icosahedral was circa 1828

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Last Updated

28 Aug 2022

Cite this Entry

“Icosahedral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/icosahedral. Accessed 30 Sep. 2022.

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