metalloid

noun
met·​al·​loid | \ ˈme-tə-ˌlȯid How to pronounce metalloid (audio) \

Definition of metalloid

 (Entry 1 of 2)

1 : an element intermediate in properties between the typical metals and nonmetals
2 : a nonmetal that can combine with a metal to form an alloy

metalloid

adjective
\ ˌme-tə-ˈlȯi-dᵊl How to pronounce metalloid (audio) \
variants: or less commonly metalloidal

Definition of metalloid (Entry 2 of 2)

1 : resembling a metal
2 : of, relating to, or being a metalloid

Examples of metalloid in a Sentence

Recent Examples on the Web: Noun As a metalloid, silicon behaves like both metals and nonmetals. David Lumb, Popular Mechanics, 9 Dec. 2020 As a lethal toxin, the discrete and deadly metalloid became the weapon of choice for those looking to quietly dispose of anyone standing in their way. Meg Neal, Popular Mechanics, 4 Oct. 2020 For decades, women flocked to their nearest drugstores and ordered tins of the wafers in masses, swallowing their false promises of beauty right alongside the poisonous metalloid. Gabby Shacknai, Fortune, 4 Mar. 2020 Today those metals are referred to as metalloids, although what is defined this way has changed a bit. Kat Eschner, Smithsonian, 26 June 2017 Today those metals are referred to as metalloids, although what is defined this way has changed a bit. Kat Eschner, Smithsonian, 26 June 2017 Today those metals are referred to as metalloids, although what is defined this way has changed a bit. Kat Eschner, Smithsonian, 26 June 2017 Today those metals are referred to as metalloids, although what is defined this way has changed a bit. Kat Eschner, Smithsonian, 26 June 2017 Today those metals are referred to as metalloids, although what is defined this way has changed a bit. Kat Eschner, Smithsonian, 26 June 2017 See More

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

First Known Use of metalloid

Noun

1813, in the meaning defined at sense 1

Adjective

1825, in the meaning defined at sense 1

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Time Traveler for metalloid

Time Traveler

The first known use of metalloid was in 1813

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Dictionary Entries Near metalloid

metallography

metalloid

metallo-organic

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Statistics for metalloid

Cite this Entry

“Metalloid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/metalloid. Accessed 26 May. 2022.

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More Definitions for metalloid

metalloid

noun
met·​al·​loid | \ ˈmet-ᵊl-ˌȯid How to pronounce metalloid (audio) \

Medical Definition of metalloid

 (Entry 1 of 2)

: an element (as boron, silicon, or arsenic) intermediate in properties between the typical metals and nonmetals

metalloid

adjective
variants: also metalloidal \ ˌmet-​ᵊl-​ˈȯid-​ᵊl How to pronounce metalloid (audio) \

Medical Definition of metalloid (Entry 2 of 2)

1 : resembling a metal
2 : of, relating to, or being a metalloid

More from Merriam-Webster on metalloid

Britannica.com: Encyclopedia article about metalloid

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